Year	current US$
1960	3230000.01907349
1961	11369999.8855591
1962	17780000.6866455
1963	26319999.6948242
1964	28010000.2288818
1965	28260000.2288818
1966	24040000.915527303
1967	27219999.3133545
1968	17290000.915527303
1969	23450000.762939498
1970	21399999.6185303
1971	18290000.915527303
1972	17850000.3814697
1973	10770000.4577637
1974	14340000.1525879
1975	14550000.1907349
1976	15159999.8474121
1977	24950000.762939498
1978	30049999.237060502
1979	48119998.9318848
1980	43700000.762939505
1981	42709999.0844727
1982	25569999.6948242
1983	18090000.1525879
1984	17799999.237060502
1985	15399999.6185303
1986	23500000
1987	29299999.237060502
1988	33779998.779296905
1989	41380001.0681152
1990	54400001.5258789
1991	40540000.9155273
1992	33029998.779296905
1993	31299999.237060502
1994	36470001.220703095
1995	53069999.6948242
1996	61360000.6103516
1997	42509998.3215332
1998	46360000.6103516
1999	39479999.5422363
2000	23719999.3133545
2001	27389999.3896484
2002	66900001.525878906
2003	112120002.746582
2004	90819999.6948242
2005	63119998.9318848
2006	203169998.168945
2007	197839996.33789098
2008	260320007.324219
2009	217509994.506836
2010	298510009.765625
2011	331589996.33789104
2012	299869995.11718804
2013	528799987.792969
2014	438470001.220703
2015	571099975.585938
2016	624359985.351563
2017	518280029.296875
2018	441459991.455078
2019	389209991.455078
2020	256489990.234375
2021	175750000
2022	71309997.55859381