Year	constant 2021 US$
1960	939999.997615814
1961	9659999.84741211
1962	13359999.6566772
1963	6260000.228881841
1964	5489999.771118159
1965	7849999.90463257
1966	68239997.8637695
1967	419999.986886978
1968	1929999.94754791
1969	1169999.95708466
1970	6980000.01907349
1971	30020000.4577637
1972	17010000.2288818
1973	71849998.4741211
1974	170580001.831055
1975	103349998.47412099
1976	625330017.089844
1977	170699996.94824198
1978	259920013.427734
1979	369709991.455078
1980	515739990.234375
1981	507760009.765625
1982	409589996.33789104
1983	670710021.972656
1984	565559997.558594
1985	197289993.28613302
1986	217559997.55859402
1987	16420000.076293899
1988	-4929999.82833862
1989	-4570000.17166138
1990	218919998.168945
1991	145160003.66210902
1992	116389999.38964799
1993	166559997.55859402
1994	135820007.32421902
1995	127029998.77929701
1996	178399993.89648402
1997	216960006.71386698
1998	293730010.986328
1999	89180000.3051758
2000	90290000.9155273
2001	111860000.61035201
2002	94010002.1362305
2003	178179992.67578098
2004	72470001.2207031