Year	current US$
1964	4500000
1965	4599999.90463257
1966	2000000
1967	3099999.90463257
1968	3200000.04768372
1969	4599999.90463257
1970	800000.011920929
1971	2099999.90463257
1972	6789999.96185303
1973	8899999.61853027
1974	9600000.38146973
1975	11050000.1907349
1976	11729999.5422363
1977	13300000.1907349
1978	17280000.6866455
1979	17729999.5422363
1980	21600000.3814697
1981	18309999.4659424
1982	20420000.0762939
1983	23840000.1525879
1984	28340000.1525879
1985	18079999.9237061
1986	31700000.762939498
1987	31059999.4659424
1988	76709999.0844727
1989	41619998.9318848
1990	91040000.9155273
1991	71669998.1689453
1992	57630001.0681152
1993	44419998.1689453
1994	36540000.9155273
1995	67949996.9482422
1996	35979999.5422363
1997	32630001.068115197
1998	31620000.8392334
1999	19540000.915527303
2000	28770000.4577637
2001	10329999.923706101
2002	18680000.3051758
2003	21200000.762939498
2004	26510000.2288818
2005	29729999.5422363
2006	33340000.152587898
2007	33669998.1689453
2008	127680000.30517599
2009	40509998.3215332
2010	168020004.272461
2011	36779998.779296905
2012	22549999.237060502
2013	25250000
2014	31930000.3051758
2015	29120000.8392334
2016	21420000.0762939
2017	22219999.3133545
2018	29799999.237060502
2019	22920000.0762939
2020	31780000.6866455
2021	43659999.8474121
2022	57599998.4741211