Year	current US$
1960	19483284.62512177
1961	22166611.25013854
1962	22516610.375140727
1963	21349946.625133436
1964	27183265.375169896
1965	32000000
1966	34764705.88235294
1967	39176470.58823529
1968	34950000
1969	39550000
1970	45450000
1971	50850000
1972	55666666.666666664
1973	76047619.04761904
1974	73727272.72727272
1975	97041666.66666667
1976	128040000
1977	116000000
1978	118400000
1979	139200000
1980	146000000
1981	165714285.71428573
1982	124333333.33333333
1983	132666666.66666667
1984	79210526.31578948
1985	81860465.11627908
1986	158837209.30232558
1987	97142857.14285713
1988	116300010
1989	62536761.02941176
1990	53999997.46835443
1991	52012523.255813956
1992	62577937.6498801
1993	69009215.8218126
1994	83790313.81055675
1995	93283097.18309858
1996	114371085.47008547
1997	131379700.98524588
1998	132294263.84708907
1999	131836879.06605692
2000	175830179.2468344
2001	178616544.48226804
2002	186815839.2992946
2003	208122596.14384037
2004	214123097.7144082
2005	222008755.4721701