Summary of 2009 Federal Individual Income Tax Data

 
 
October 24, 2011
Summary of Federal Income Tax Data, 2009

Number of Returns with Positive AGI AGI ($ millions) Income Taxes Paid ($ millions) Group's Share of Total AGI Group's Share of Income Taxes Income Split Point Average Tax Rate
All Taxpayers 137,982,203 $7,825,389 $865,863 100.0% 100.0% - 11.06%
Top 1% 1,379,822 $1,324,572 $318,043 16.9% 36.7% $343,927 24.01%
1-5% 5,519,288 $1,157,918 $189,864 14.8% 22.0%   16.40%
Top 5% 6,899,110 $2,482,490 $507,907 31.7% 58.7% $154,643 20.46%
5-10% 6,899,110 $897,241 $102,249 11.5% 11.8%   11.40%
Top 10% 13,798,220 $3,379,731 $610,156 43.2% 70.5% $112,124.00 18.05%
10-25% 20,697,331 $1,770,140 $145,747 22.6% 17.0%   8.23%
Top 25% 34,495,551 $5,149,871 $755,903 65.8% 87.3% $66,193.00 14.68%
25-50% 34,495,551 $1,620,303 $90,449 20.7% 11.0%   5.58%
Top 50% 68,991,102 $6,770,174 $846,352 86.5% 97.7% > $32,396 12.50%
Bottom 50% 68,991,102 $1,055,215 $19,511 13.5% 2.3% < $32,396 1.85%
Source: Internal Revenue Service
Number of Federal Individual Income Tax Returns Filed 1980-2009 (In thousands)
Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 93,239   932 4,662 4,662 9,324 13,986 23,310 23,310 46,619 46,619
1981 94,587   946 4,729 4,729 9,459 14,188 23,647 23,647 47,293 47,293
1982 94,426   944 4,721 4,721 9,443 14,164 23,607 23,607 47,213 47,213
1983 95,331   953 4,767 4,767 9,533 14,300 23,833 23,833 47,665 47,665
1984 98,436   984 4,922 4,922 9,844 14,765 24,609 24,609 49,218 49,219
1985 100,625   1,006 5,031 5,031 10,063 15,094 25,156 25,156 50,313 50,313
1986 102,088   1,021 5,104 5,104 10,209 15,313 25,522 25,522 51,044 51,044
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 106,155   1,062 5,308 5,308 10,615 15,923 26,539 26,539 53,077 53,077
1988 108,873   1,089 5,444 5,444 10,887 16,331 27,218 27,218 54,436 54,436
1989 111,313   1,113 5,566 5,566 11,131 16,697 27,828 27,828 55,656 55,656
1990 112,812   1,128 5,641 5,641 11,281 16,922 28,203 28,203 56,406 56,406
1991 113,804   1,138 5,690 5,690 11,380 17,071 28,451 28,451 56,902 56,902
1992 112,653   1,127 5,633 5,633 11,265 16,898 28,163 28,163 56,326 56,326
1993 113,681   1,137 5,684 5,684 11,368 17,052 28,420 28,420 56,841 56,841
1994 114,990   1,150 5,749 5,749 11,499 17,248 28,747 28,747 57,495 57,495
1995 117,274   1,173 5,864 5,864 11,727 17,591 29,319 29,319 58,637 58,637
1996 119,442   1,194 5,972 5,972 11,944 17,916 29,860 29,860 59,721 59,721
1997 121,503   1,215 6,075 6,075 12,150 18,225 30,376 30,376 60,752 60,752
1998 123,776   1,238 6,189 6,189 12,378 18,566 30,944 30,944 61,888 61,888
1999 126,009   1,260 6,300 6,300 12,601 18,901 31,502 31,502 63,004 63,004
2000 128,227   1,282 6,411 6,411 12,823 19,234 32,057 32,057 64,114 64,114
2001 128,817 129 1,288 6,441 6,441 12,882 19,323 32,204 32,204 64,409 64,409
2002 128,324 128 1,283 6,416 6,416 12,832 19,249 32,081 32,081 64,162 64,162
2003 128,610 129 1,286 6,430 6,430 12,861 19,291 32,152 32,152 64,305 64,305
2004 130,371 130 1,304 6,519 6,519 13,037 19,556 32,593 32,593 65,186 65,186
2005 132,612 133 1,326 6,631 6,631 13,261 19,892 33,153 33,153 66,306 66,306
2006 135,719 136 1,357 6,786 6,786 13,572 20,358 33,930 33,930 67,860 67,860
2007 141,071 141 1,411 7,054 7,054 14,107 21,161 35,268 35,268 70,535 70,535
2008 139,961 140 1,400 6,998 6,998 13,996 20,994 34,990 34,990 69,980 69,980
2009 137,982 138 1,380 6,899 6,899 13,798 20,698 34,496 34,495 68,991 68,991
Source: Internal Revenue Service

Adjusted Gross Income of Taxpayers in Various Income Brackets, 1980-2009 ($Billions)

Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 $1,627   $138 $342 $181 $523 $400 $922 $417 $1,339 $288
1981 $1,791   $149 $372 $201 $573 $442 $1,015 $458 $1,473 $318
1982 $1,876   $167 $398 $207 $605 $460 $1,065 $478 $1,544 $332
1983 $1,970   $183 $428 $217 $646 $481 $1,127 $498 $1,625 $344
1984 $2,173   $210 $482 $240 $723 $528 $1,251 $543 $1,794 $379
1985 $2,344   $235 $531 $260 $791 $567 $1,359 $580 $1,939 $405
1986 $2,524   $285 $608 $278 $887 $604 $1,490 $613 $2,104 $421
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 $2,814   $347 $722 $316 $1,038 $671 $1,709 $664 $2,374 $440
1988 $3,124   $474 $891 $342 $1,233 $718 $1,951 $707 $2,658 $466
1989 $3,299   $468 $918 $368 $1,287 $768 $2,054 $751 $2,805 $494
1990 $3,451   $483 $953 $385 $1,338 $806 $2,144 $788 $2,933 $519
1991 $3,516   $457 $943 $400 $1,343 $832 $2,175 $809 $2,984 $532
1992 $3,681   $524 $1,031 $413 $1,444 $856 $2,299 $832 $3,131 $549
1993 $3,776   $521 $1,048 $426 $1,474 $883 $2,358 $854 $3,212 $563
1994 $3,961   $547 $1,103 $449 $1,552 $929 $2,481 $890 $3,371 $590
1995 $4,245   $620 $1,223 $482 $1,705 $985 $2,690 $938 $3,628 $617
1996 $4,591   $737 $1,394 $515 $1,909 $1,043 $2,953 $992 $3,944 $646
1997 $5,023   $873 $1,597 $554 $2,151 $1,116 $3,268 $1,060 $4,328 $695
1998 $5,469   $1,010 $1,797 $597 $2,394 $1,196 $3,590 $1,132 $4,721 $748
1999 $5,909   $1,153 $2,012 $641 $2,653 $1,274 $3,927 $1,199 $5,126 $783
2000 $6,424   $1,337 $2,267 $688 $2,955 $1,358 $4,314 $1,276 $5,590 $834
2001 $6,241 $506 $1,094 $1,996 $694 $2,691 $1,380 $4,071 $1,308 $5,379 $862
2002 $6,114 $432 $986 $1,868 $686 $2,553 $1,382 $3,936 $1,309 $5,244 $870
2003 $6,288 $476 $1,055 $1,961 $703 $2,663 $1,415 $4,078 $1,330 $5,408 $880
2004 $6,875 $629 $1,306 $2,300 $750 $3,049 $1,497 $4,546 $1,406 $5,953 $922
2005 $7,508 $799 $1,592 $2,684 $803 $3,487 $1,582 $5,069 $1,475 $6,545 $963
2006 $8,122 $911 $1,792 $2,978 $865 $3,843 $1,693 $5,536 $1,570 $7,106 $1,016
2007 $8,799 $1,049 $2,008 $3,295 $933 $4,228 $1,818 $6,045 $1,675 $7,720 $1,078
2008 $8,427 $839 $1,685 $2,927 $930 $3,856 $1,822 $5,678 $1,674 $7,352 $1,075
2009 $7,825 $610 $1,326 $2,482 $898 $3,380 $1,770 $5,150 $1,620 $6,770 $1,055
Source: IRS
Total Income Tax after Credits, 1980-2009 ($ Billions)
Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 $249   $47 $92 $31 $123 $59 $182 $50 $232 $18
1981 $282   $50 $99 $36 $135 $69 $204 $57 $261 $21
1982 $276   $53 $100 $34 $134 $66 $200 $56 $256 $20
1983 $272   $55 $101 $34 $135 $64 $199 $54 $252 $19
1984 $297   $63 $113 $37 $150 $68 $219 $57 $276 $22
1985 $322   $70 $125 $41 $166 $73 $238 $60 $299 $23
1986 $367   $94 $156 $44 $201 $78 $279 $64 $343 $24
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 $369   $92 $160 $46 $205 $79 $284 $63 $347 $22
1988 $413   $114 $188 $48 $236 $85 $321 $68 $389 $24
1989 $433   $109 $190 $51 $241 $93 $334 $73 $408 $25
1990 $447   $112 $195 $52 $248 $97 $344 $77 $421 $26
1991 $448   $111 $194 $56 $250 $96 $347 $77 $424 $25
1992 $476   $131 $218 $58 $276 $97 $374 $78 $452 $24
1993 $503   $146 $238 $60 $298 $101 $399 $80 $479 $24
1994 $535   $154 $254 $64 $318 $108 $425 $84 $509 $25
1995 $588   $178 $288 $70 $357 $115 $473 $88 $561 $27
1996 $658   $213 $335 $76 $411 $124 $535 $95 $630 $28
1997 $727   $241 $377 $82 $460 $134 $594 $102 $696 $31
1998 $788   $274 $425 $88 $513 $139 $652 $103 $755 $33
1999 $877   $317 $486 $97 $583 $150 $733 $109 $842 $35
2000 $981   $367 $554 $106 $660 $164 $824 $118 $942 $38
2001 $888 $143 $301 $473 $103 $576 $160 $736 $117 $853 $35
2002 $797 $123 $269 $429 $95 $524 $145 $669 $100 $769 $28
2003 $748 $117 $256 $407 $86 $492 $135 $627 $95 $722 $26
2004 $832 $145 $307 $475 $92 $567 $139 $706 $99 $804 $27
2005 $935 $180 $368 $558 $99 $657 $147 $804 $102 $906 $29
2006 $1,024 $200 $408 $616 $109 $725 $158 $883 $110 $993 $31
2007 $1,116 $225 $451 $676 $118 $794 $171 $966 $117 $1,083 $32
2008 $1,032 $190 $392 $606 $116 $721 $169 $891 $113 $1,004 $28
2009 $866 $148 $318 $508 $102 $610 $146 $756 $90 $846 $20
Source: IRS
Adjusted Gross Income Shares, 1980-2009 (Percent of total AGI earned by each group)
Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 100%   8.46% 21.01% 11.12% 32.13% 24.57% 56.70% 25.62% 82.32% 17.68%
1981 100%   8.30% 20.78% 11.20% 31.98% 24.69% 56.67% 25.59% 82.25% 17.75%
1982 100%   8.91% 21.23% 11.03% 32.26% 24.53% 56.79% 25.50% 82.29% 17.71%
1983 100%   9.29% 21.74% 11.04% 32.78% 24.44% 57.22% 25.30% 82.52% 17.48%
1984 100%   9.66% 22.19% 11.06% 33.25% 24.31% 57.56% 25.00% 82.56% 17.44%
1985 100%   10.03% 22.67% 11.10% 33.77% 24.21% 57.97% 24.77% 82.74% 17.26%
1986 100%   11.30% 24.11% 11.02% 35.12% 23.92% 59.04% 24.30% 83.34% 16.66%
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 100%   12.32% 25.67% 11.23% 36.90% 23.85% 60.75% 23.62% 84.37% 15.63%
1988 100%   15.16% 28.51% 10.94% 39.45% 22.99% 62.44% 22.63% 85.07% 14.93%
1989 100%   14.19% 27.84% 11.16% 39.00% 23.28% 62.28% 22.76% 85.04% 14.96%
1990 100%   14.00% 27.62% 11.15% 38.77% 23.36% 62.13% 22.84% 84.97% 15.03%
1991 100%   12.99% 26.83% 11.37% 38.20% 23.65% 61.85% 23.01% 84.87% 15.13%
1992 100%   14.23% 28.01% 11.21% 39.23% 23.25% 62.47% 22.61% 85.08% 14.92%
1993 100%   13.79% 27.76% 11.29% 39.05% 23.40% 62.45% 22.63% 85.08% 14.92%
1994 100%   13.80% 27.85% 11.34% 39.19% 23.45% 62.64% 22.48% 85.11% 14.89%
1995 100%   14.60% 28.81% 11.35% 40.16% 23.21% 63.37% 22.09% 85.46% 14.54%
1996 100%   16.04% 30.36% 11.23% 41.59% 22.73% 64.32% 21.60% 85.92% 14.08%
1997 100%   17.38% 31.79% 11.03% 42.83% 22.22% 65.05% 21.11% 86.16% 13.84%
1998 100%   18.47% 32.85% 10.92% 43.77% 21.87% 65.63% 20.69% 86.33% 13.67%
1999 100%   19.51% 34.04% 10.85% 44.89% 21.57% 66.46% 20.29% 86.75% 13.25%
2000 100%   20.81% 35.30% 10.71% 46.01% 21.15% 67.15% 19.86% 87.01% 12.99%
2001 100% 8.10% 17.53% 31.99% 11.12% 43.11% 22.12% 65.23% 20.96% 86.19% 13.81%
2002 100% 7.06% 16.12% 30.55% 11.22% 41.77% 22.61% 64.37% 21.40% 85.77% 14.23%
2003 100% 7.57% 16.77% 31.18% 11.18% 42.36% 22.50% 64.86% 21.15% 86.01% 13.99%
2004 100% 9.14% 19.00% 33.45% 10.90% 44.35% 21.78% 66.13% 20.46% 86.58% 13.42%
2005 100% 10.65% 21.20% 35.75% 10.70% 46.44% 21.08% 67.52% 19.65% 87.17% 12.83%
2006 100% 11.22% 22.06% 36.66% 10.66% 47.32% 20.84% 68.16% 19.33% 87.49% 12.51%
2007 100% 11.93% 22.83% 37.44% 10.61% 48.05% 20.66% 68.71% 19.04% 87.74% 12.26%
2008 100% 9.96% 20.00% 34.73% 11.03% 45.77% 21.62% 67.38% 19.86% 87.25% 12.75%
2009 100% 7.80% 16.93% 31.72% 11.47% 43.19% 22.62% 65.81% 20.71% 86.52% 13.4800%
Source: IRS
Total Income Tax Shares, 1980-2009 (Percent of federal income tax paid by each group)
Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 100%   19.05% 36.84% 12.44% 49.28% 23.74% 73.02% 19.93% 92.95% 7.05%
1981 100%   17.58% 35.06% 12.90% 47.96% 24.33% 72.29% 20.26% 92.55% 7.45%
1982 100%   19.03% 36.13% 12.45% 48.59% 23.91% 72.50% 20.15% 92.65% 7.35%
1983 100%   20.32% 37.26% 12.44% 49.71% 23.39% 73.10% 19.73% 92.83% 7.17%
1984 100%   21.12% 37.98% 12.58% 50.56% 22.92% 73.49% 19.16% 92.65% 7.35%
1985 100%   21.81% 38.78% 12.67% 51.46% 22.60% 74.06% 18.77% 92.83% 7.17%
1986 100%   25.75% 42.57% 12.12% 54.69% 21.33% 76.02% 17.52% 93.54% 6.46%
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 100%   24.81% 43.26% 12.35% 55.61% 21.31% 76.92% 17.02% 93.93% 6.07%
1988 100%   27.58% 45.62% 11.66% 57.28% 20.57% 77.84% 16.44% 94.28% 5.72%
1989 100%   25.24% 43.94% 11.85% 55.78% 21.44% 77.22% 16.94% 94.17% 5.83%
1990 100%   25.13% 43.64% 11.73% 55.36% 21.66% 77.02% 17.16% 94.19% 5.81%
1991 100%   24.82% 43.38% 12.45% 55.82% 21.46% 77.29% 17.23% 94.52% 5.48%
1992 100%   27.54% 45.88% 12.12% 58.01% 20.47% 78.48% 16.46% 94.94% 5.06%
1993 100%   29.01% 47.36% 11.88% 59.24% 20.03% 79.27% 15.92% 95.19% 4.81%
1994 100%   28.86% 47.52% 11.93% 59.45% 20.10% 79.55% 15.68% 95.23% 4.77%
1995 100%   30.26% 48.91% 11.84% 60.75% 19.62% 80.36% 15.03% 95.39% 4.61%
1996 100%   32.31% 50.97% 11.54% 62.51% 18.80% 81.32% 14.36% 95.68% 4.32%
1997 100%   33.17% 51.87% 11.33% 63.20% 18.47% 81.67% 14.05% 95.72% 4.28%
1998 100%   34.75% 53.84% 11.20% 65.04% 17.65% 82.69% 13.10% 95.79% 4.21%
1999 100%   36.18% 55.45% 11.00% 66.45% 17.09% 83.54% 12.46% 96.00% 4.00%
2000 100%   37.42% 56.47% 10.86% 67.33% 16.68% 84.01% 12.08% 96.09% 3.91%
2001 100% 16.06% 33.89% 53.25% 11.64% 64.89% 18.01% 82.90% 13.13% 96.03% 3.97%
2002 100% 15.43% 33.71% 53.80% 11.94% 65.73% 18.16% 83.90% 12.60% 96.50% 3.50%
2003 100% 15.68% 34.27% 54.36% 11.48% 65.84% 18.04% 83.88% 12.65% 96.54% 3.46%
2004 100% 17.44% 36.89% 57.13% 11.07% 68.19% 16.67% 84.86% 11.85% 96.70% 3.30%
2005 100% 19.26% 39.38% 59.67% 10.63% 70.30% 15.69% 85.99% 10.94% 96.93% 3.07%
2006 100% 19.56% 39.89% 60.14% 10.65% 70.79% 15.47% 86.27% 10.75% 97.01% 2.99%
2007 100% 20.19% 40.41% 60.61% 10.59% 71.20% 15.37% 86.57% 10.54% 97.11% 2.89%
2008 100% 18.47% 38.02% 58.72% 11.22% 69.94% 16.40% 86.34% 10.96% 97.30% 2.70%
2009 100% 17.11% 36.73% 58.66% 11.81% 70.47% 16.83% 87.30% 10.45% 97.75% 2.25%
Source: IRS
Dollar Cut-Off, 1980-2009 (Minimum AGI for tax return to fall into various percentiles; thresholds not adjusted for inflation)
Year Total Top 0.1% Top 1% Top 5% Top 10% Top 25% Top 50%
1980 0   $80,580 $43,792 $35,070 $23,606 $12,936
1981 0   $85,428 $47,845 $38,283 $25,655 $14,000
1982 0   $89,388 $49,284 $39,676 $27,027 $14,539
1983 0   $93,512 $51,553 $41,222 $27,827 $15,044
1984 0   $100,889 $55,423 $43,956 $29,360 $15,998
1985 0   $108,134 $58,883 $46,322 $30,928 $16,688
1986 0   $118,818 $62,377 $48,656 $32,242 $17,302
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 0   $139,289 $68,414 $52,921 $33,983 $17,768
1988 0   $157,136 $72,735 $55,437 $35,398 $18,367
1989 0   $163,869 $76,933 $58,263 $36,839 $18,993
1990 0   $167,421 $79,064 $60,287 $38,080 $19,767
1991 0   $170,139 $81,720 $61,944 $38,929 $20,097
1992 0   $181,904 $85,103 $64,457 $40,378 $20,803
1993 0   $185,715 $87,386 $66,077 $41,210 $21,179
1994 0   $195,726 $91,226 $68,753 $42,742 $21,802
1995 0   $209,406 $96,221 $72,094 $44,207 $22,344
1996 0   $227,546 $101,141 $74,986 $45,757 $23,174
1997 0   $250,736 $108,048 $79,212 $48,173 $24,393
1998 0   $269,496 $114,729 $83,220 $50,607 $25,491
1999 0   $293,415 $120,846 $87,682 $52,965 $26,415
2000 0   $313,469 $128,336 $92,144 $55,225 $27,682
2001 0 $1,324,487 $292,913 $127,904 $92,754 $56,085 $28,528
2002 0 $1,191,673 $285,424 $126,525 $92,663 $56,401 $28,654
2003 0 $1,262,760 $295,495 $130,080 $94,891 $57,343 $29,019
2004 0 $1,548,941 $328,049 $137,056 $99,112 $60,041 $30,122
2005 0 $1,848,791 $364,657 $145,283 $103,912 $62,068 $30,881
2006 0 $2,044,689 $388,806 $153,542 $108,904 $64,702 $31,987
2007 0 $2,155,365 $410,096 $160,041 $113,018 $66,532 $32,879
2008 0 $1,803,585 $380,354 $159,619 $113,799 $67,280 $33,048
2009 0 $1,432,890 $343,927 $154,643 $112,124 $66,193 $32,396
Source: IRS
Average Tax Rate, 1980-2009 (Percent of AGI paid in income taxes)
Year Total Top 0.1% Top 1% Top 5% Between 5% & 10% Top 10% Between 10% & 25% Top 25% Between 25% & 50% Top 50% Bottom 50%
1980 15.31%   34.47% 26.85% 17.13% 23.49% 14.80% 19.72% 11.91% 17.29% 6.10%
1981 15.76%   33.37% 26.59% 18.16% 23.64% 15.53% 20.11% 12.48% 17.73% 6.62%
1982 14.72%   31.43% 25.05% 16.61% 22.17% 14.35% 18.79% 11.63% 16.57% 6.10%
1983 13.79%   30.18% 23.64% 15.54% 20.91% 13.20% 17.62% 10.76% 15.52% 5.66%
1984 13.68%   29.92% 23.42% 15.57% 20.81% 12.90% 17.47% 10.48% 15.35% 5.77%
1985 13.73%   29.86% 23.50% 15.69% 20.93% 12.83% 17.55% 10.41% 15.41% 5.70%
1986 14.54%   33.13% 25.68% 15.99% 22.64% 12.97% 18.72% 10.48% 16.32% 5.63%
Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable
1987 13.12%   26.41% 22.10% 14.43% 19.77% 11.71% 16.61% 9.45% 14.60% 5.09%
1988 13.21%   24.04% 21.14% 14.07% 19.18% 11.82% 16.47% 9.60% 14.64% 5.06%
1989 13.12%   23.34% 20.71% 13.93% 18.77% 12.08% 16.27% 9.77% 14.53% 5.11%
1990 12.95%   23.25% 20.46% 13.63% 18.50% 12.01% 16.06% 9.73% 14.36% 5.01%
1991 12.75%   24.37% 20.62% 13.96% 18.63% 11.57% 15.93% 9.55% 14.20% 4.62%
1992 12.94%   25.05% 21.19% 13.99% 19.13% 11.39% 16.25% 9.42% 14.44% 4.39%
1993 13.32%   28.01% 22.71% 14.01% 20.20% 11.40% 16.90% 9.37% 14.90% 4.29%
1994 13.50%   28.23% 23.04% 14.20% 20.48% 11.57% 17.15% 9.42% 15.11% 4.32%
1995 13.86%   28.73% 23.53% 14.46% 20.97% 11.71% 17.58% 9.43% 15.47% 4.39%
1996 14.34%   28.87% 24.07% 14.74% 21.55% 11.86% 18.12% 9.53% 15.96% 4.40%
1997 14.48%   27.64% 23.62% 14.87% 21.36% 12.04% 18.18% 9.63% 16.09% 4.48%
1998 14.42%   27.12% 23.63% 14.79% 21.42% 11.63% 18.16% 9.12% 16.00% 4.44%
1999 14.85%   27.53% 24.18% 15.06% 21.98% 11.76% 18.66% 9.12% 16.43% 4.48%
2000 15.26%   27.45% 24.42% 15.48% 22.34% 12.04% 19.09% 9.28% 16.86% 4.60%
2001 14.23% 28.20% 27.50% 23.68% 14.89% 21.41% 11.58% 18.08% 8.91% 15.85% 4.09%
2002 13.03% 28.49% 27.25% 22.95% 13.87% 20.51% 10.47% 16.99% 7.67% 14.66% 3.21%
2003 11.90% 24.64% 24.31% 20.74% 12.22% 18.49% 9.54% 15.38% 7.12% 13.35% 2.95%
2004 12.10% 23.09% 23.49% 20.67% 12.28% 18.60% 9.26% 15.53% 7.01% 13.51% 2.97%
2005 12.45% 22.52% 23.13% 20.78% 12.37% 18.84% 9.27% 15.86% 6.93% 13.84% 2.98%
2006 12.60% 21.98% 22.79% 20.68% 12.60% 18.86% 9.36% 15.95% 7.01% 13.98% 3.01%
2007 12.68% 21.46% 22.45% 20.53% 12.66% 18.79% 9.43% 15.98% 7.01% 14.03% 2.99%
2008 12.24% 22.70% 23.27% 20.70% 12.44% 18.71% 9.29% 15.68% 6.75% 13.65% 2.59%
2009 11.06% 24.28% 24.01% 20.46% 11.36% 18.05% 8.25% 14.68% 5.56% 12.50% 1.85%
Source: IRS

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