income tax income
            INDIVIDUAL INCOME TAX REVENUE AND REAL GDP GROWTH             
                    (amounts in billions of dollars)                     

                                                                            
                                          as % of  as % of  as % of    Gross
     Personal Reported  Taxable   Income Personal Reported  Taxable Domestic
Year   Income      AGI*  Income      Tax   Income      AGI*  Income  Product
---- -------- -------- -------- -------- -------- -------- -------- --------
1950    229.0    179.1     84.3     18.4      8.0     10.3     21.8    293.8
1951    258.0    202.3     99.2     24.2      9.4     12.0     24.4    339.3
1952    275.4    215.3    107.2     27.8     10.1     12.9     25.9    358.3
1953    291.9    228.7    114.3     29.4     10.1     12.9     25.7    379.4
1954    294.5    229.2    115.3     26.7      9.1     11.6     23.2    380.4
1955    316.1    248.5    128.0     29.6      9.4     11.9     23.1    414.8
1956    339.6    267.7    141.5     32.7      9.6     12.2     23.1    437.5
1957    358.7    280.3    149.4     34.4      9.6     12.3     23.0    461.1
1958    369.0    281.2    149.3     34.3      9.3     12.2     23.0    467.2
1959    392.8    305.1    166.5     38.6      9.8     12.7     23.2    506.6
1960    411.5    315.5    171.6     39.5      9.6     12.5     23.0    526.4
1961    429.0    329.9    181.8     42.2      9.8     12.8     23.2    544.7
1962    456.7    348.7    195.3     44.9      9.8     12.9     23.0    585.6
1963    479.6    368.8    209.1     48.2     10.1     13.1     23.1    617.7
1964    514.6    396.7    229.9     47.2      9.2     11.9     20.5    663.6
1965    555.7    429.2    255.1     49.6      8.9     11.6     19.4    719.1
1966    603.9    468.5    286.3     56.1      9.3     12.0     19.6    787.8
1967    648.3    504.8    315.1     63.0      9.7     12.5     20.0    832.6
1968    712.0    554.4    352.8     76.7     10.8     13.8     21.7    910.0
1969    778.5    603.5    388.8     86.6     11.1     14.3     22.3    984.6
1970    838.8    631.7    401.2     83.9     10.0     13.3     20.9   1038.5
1971    903.5    673.6    414.0     85.4      9.5     12.7     20.6   1127.1
1972    992.7    746.0    447.6     93.6      9.4     12.5     20.9   1238.3
1973   1110.7    827.1    511.9    108.1      9.7     13.1     21.1   1382.7
1974   1222.6    905.5    573.6    123.6     10.1     13.6     21.5   1500.0
1975   1335.0    947.8    595.5    124.5      9.3     13.1     20.9   1638.3
1976   1474.8   1053.9    674.9    141.8      9.6     13.5     21.0   1825.3
1977   1633.2   1158.5    733.8    159.8      9.8     13.8     21.8   2030.9
1978   1837.7   1302.4    846.4    188.2     10.2     14.5     22.2   2294.7
1979   2062.2   1465.4    926.6    214.5     10.4     14.6     23.1   2563.3
1980   2307.9   1613.7   1045.2    250.3     10.8     15.5     23.9   2789.5
1981   2591.3   1772.6   1170.1    284.1     11.0     16.0     24.3   3128.4
1982   2775.3   1852.1   1231.9    277.6     10.0     15.0     22.5   3255.0
1983   2960.7   1942.6   1300.2    274.2      9.3     14.1     21.1   3536.7
1984   3289.5   2139.9   1447.0    301.9      9.2     14.1     20.9   3933.2
1985   3526.7   2306.0   1550.5    325.7      9.2     14.1     21.0   4220.3
1986   3722.4   2481.7   1665.6    367.3      9.9     14.8     22.1   4462.8
1987   3947.4   2773.8   1850.6    369.2      9.4     13.3     20.0   4739.5
1988   4253.7   3083.0   2070.0    412.9      9.7     13.4     19.9   5103.8
1989   4587.8   3256.4   2173.3    432.9      9.4     13.3     19.9   5484.4
1990   4878.6   3405.4   2263.7    447.1      9.2     13.1     19.8   5803.1
1991   5051.0   3464.5   2284.1    448.4      8.9     12.9     19.6   5995.9
1992   5362.0   3629.1   2395.7    476.2      8.9     13.1     19.9   6337.7
1993   5558.5   3723.3   2453.5    502.8      9.0     13.5     20.5   6657.4
1994   5842.5   3907.5   2598.0    534.9      9.2     13.7     20.6   7072.2
1995   6152.3   4189.4   2813.8    588.4      9.6     14.0     20.9   7397.7
1996   6520.6   4536.0   3089.7    658.2     10.1     14.5     21.3   7816.9
1997   6915.1   4969.9   3429.1    731.3     10.6     14.7     21.3   8304.3
1998   7423.0   5416.0   3780.8    788.5     10.6     14.6     20.9   8747.0
1999   7802.4   5855.5   4136.1    877.4     11.2     15.0     21.2   9268.4
2000   8429.7   6365.4   4544.2    980.6     11.6     15.4     21.6   9817.0
2001   8724.1   6170.6   4268.5    888.0     10.2     14.4     20.8  10128.0
2002   8881.9   6033.6   4096.1    797.0      9.0     13.2     19.5  10469.6
2003   9163.6   6207.1   4200.2    748.0      8.2     12.1     17.8  10960.8
2004   9731.4   6788.8   4670.2    832.0      8.5     12.3     17.8  11685.9
2005                                                                 12433.9
2006                                                                 13194.7

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            INDIVIDUAL INCOME TAX REVENUE AND REAL GDP GROWTH
             (real GDP in billions of chained 2000 dollars)

               Percent of GDP                Real Gross Domestic Product
     ----------------------------------- -----------------------------------
                                         billions            5-year  10-year
     Personal Reported  Taxable   Income  of 2000   Annual  Average  Average
Year   Income      AGI*  Income      Tax  dollars   Growth   Growth   Growth
---- -------- -------- -------- -------- -------- -------- -------- --------
1950     77.9     61.0     28.7      6.3   1777.3      8.7      0.1      6.0
1951     76.0     59.6     29.2      7.1   1915.0      7.7      3.9      5.0
1952     76.9     60.1     29.9      7.8   1988.3      3.8      4.8      3.6
1953     76.9     60.3     30.1      7.7   2079.5      4.6      4.9      2.4
1954     77.4     60.3     30.3      7.0   2065.4     -0.7      4.8      1.5
1955     76.2     59.9     30.9      7.1   2212.8      7.1      4.5      2.3
1956     77.6     61.2     32.3      7.5   2255.8      1.9      3.4      3.6
1957     77.8     60.8     32.4      7.5   2301.1      2.0      3.0      3.9
1958     79.0     60.2     32.0      7.3   2279.2     -1.0      1.9      3.4
1959     77.5     60.2     32.9      7.6   2441.3      7.1      3.4      4.1
1960     78.2     59.9     32.6      7.5   2501.8      2.5      2.5      3.5
1961     78.8     60.6     33.4      7.7   2560.0      2.3      2.6      3.0
1962     78.0     59.5     33.4      7.7   2715.2      6.1      3.4      3.2
1963     77.6     59.7     33.9      7.8   2834.0      4.4      4.5      3.2
1964     77.5     59.8     34.6      7.1   2998.6      5.8      4.2      3.8
1965     77.3     59.7     35.5      6.9   3191.1      6.4      5.0      3.8
1966     76.7     59.5     36.3      7.1   3399.1      6.5      5.8      4.2
1967     77.9     60.6     37.8      7.6   3484.6      2.5      5.1      4.3
1968     78.2     60.9     38.8      8.4   3652.7      4.8      5.2      4.8
1969     79.1     61.3     39.5      8.8   3765.4      3.1      4.7      4.4
1970     80.8     60.8     38.6      8.1   3771.9      0.2      3.4      4.2
1971     80.2     59.8     36.7      7.6   3898.6      3.4      2.8      4.3
1972     80.2     60.2     36.1      7.6   4105.0      5.3      3.3      4.2
1973     80.3     59.8     37.0      7.8   4341.5      5.8      3.5      4.4
1974     81.5     60.4     38.2      8.2   4319.6     -0.5      2.8      3.7
1975     81.5     57.9     36.3      7.6   4311.2     -0.2      2.7      3.1
1976     80.8     57.7     37.0      7.8   4540.9      5.3      3.1      3.0
1977     80.4     57.0     36.1      7.9   4750.5      4.6      3.0      3.2
1978     80.1     56.8     36.9      8.2   5015.0      5.6      3.0      3.2
1979     80.5     57.2     36.1      8.4   5173.4      3.2      3.7      3.3
1980     82.7     57.8     37.5      9.0   5161.7     -0.2      3.7      3.2
1981     82.8     56.7     37.4      9.1   5291.7      2.5      3.1      3.1
1982     85.3     56.9     37.8      8.5   5189.3     -1.9      1.8      2.4
1983     83.7     54.9     36.8      7.8   5423.8      4.5      1.6      2.3
1984     83.6     54.4     36.8      7.7   5813.6      7.2      2.4      3.1
1985     83.6     54.6     36.7      7.7   6053.7      4.1      3.3      3.5
1986     83.4     55.6     37.3      8.2   6263.6      3.5      3.5      3.3
1987     83.3     58.5     39.0      7.8   6475.1      3.4      4.5      3.2
1988     83.3     60.4     40.6      8.1   6742.7      4.1      4.5      3.0
1989     83.7     59.4     39.6      7.9   6981.4      3.5      3.7      3.1
1990     84.1     58.7     39.0      7.7   7112.5      1.9      3.3      3.3
1991     84.2     57.8     38.1      7.5   7100.5     -0.2      2.6      3.0
1992     84.6     57.3     37.8      7.5   7336.6      3.3      2.5      3.5
1993     83.5     55.9     36.9      7.6   7532.7      2.7      2.2      3.4
1994     82.6     55.3     36.7      7.6   7835.5      4.0      2.3      3.0
1995     83.2     56.6     38.0      8.0   8031.7      2.5      2.5      2.9
1996     83.4     58.0     39.5      8.4   8328.9      3.7      3.2      2.9
1997     83.3     59.8     41.3      8.8   8703.5      4.5      3.5      3.0
1998     84.9     61.9     43.2      9.0   9066.9      4.2      3.8      3.0
1999     84.2     63.2     44.6      9.5   9470.3      4.4      3.9      3.1
2000     85.9     64.8     46.3     10.0   9817.0      3.7      4.1      3.3
2001     86.1     60.9     42.1      8.8   9890.7      0.8      3.5      3.4
2002     84.8     57.6     39.1      7.6  10048.8      1.6      2.9      3.2
2003     83.6     56.6     38.3      6.8  10301.0      2.5      2.6      3.2
2004     83.3     58.1     40.0      7.1  10675.8      3.6      2.4      3.1
2005                                      11003.4      3.1      2.3      3.2
2006                                      11319.4      2.9      2.7      3.1

----------------------------------------------------------------------------
* AGI is Adjusted Gross Income. See SOI Bulletin Historical Table 4 for
  differences between “personal income” and “adjusted gross income”.
Source: Internal Revenue Service, Individual Time Series Statistical Tables,
        SOI Bulletin Historical Table 6 and SOI Bulletin Historical Table 8;
        Bureau of Economic Analysis, Current-dollar and "real" GDP

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