Year	constant 2021 US$
1960	5000000
1961	8939999.5803833
1962	4250000
1963	-100000.00149011599
1964	4010000.2288818406
1965	9460000.03814697
1966	15029999.7329712
1967	22680000.3051758
1968	8060000.419616699
1969	11960000.038146999
1970	23690000.5340576
1971	30909999.8474121
1972	30840000.1525879
1973	43110000.6103516
1974	41159999.8474121
1975	15789999.961853001
1976	16389999.389648398
1977	22350000.3814697
1978	14399999.6185303
1979	21040000.915527303
1980	27209999.084472697
1981	18590000.1525879
1982	8310000.419616699
1983	9819999.69482422
1984	34090000.1525879
1985	88669998.1689453
1986	53209999.0844727
1987	31540000.915527303
1988	30309999.4659424
1989	850000.023841858
1990	889999.985694885
1991	3859999.89509583
1992	4579999.92370605
1993	-19999.9995529652
1994	899999.976158142
1995	300000.011920929
1996	-360000.01430511504
1997	509999.99046325695
1998	300000.011920929
1999	39999.9991059303
2000	59999.9986588955
2001	1259999.9904632599
2002	19999.9995529652
2003	39999.9991059303
2004	230000.004172325