Year	current US$
1960	529999.971389771
1961	5500000
1962	4289999.96185303
1963	5809999.94277954
1964	2150000.09536743
1965	2190000.05722046
1966	4380000.11444092
1967	5179999.82833862
1968	9640000.34332275
1969	5400000.09536743
1970	6010000.228881841
1971	9239999.77111816
1972	10560000.4196167
1973	13720000.2670288
1974	24969999.3133545
1975	28420000.0762939
1976	17030000.6866455
1977	22360000.6103516
1978	43779998.779296905
1979	32040000.915527303
1980	33090000.152587898
1981	58279998.779296905
1982	47709999.0844727
1983	40139999.3896484
1984	33409999.847412102
1985	26639999.3896484
1986	54020000.4577637
1987	62599998.4741211
1988	57310001.373291
1989	60340000.1525879
1990	88290000.9155273
1991	67319999.6948242
1992	45689998.626709
1993	26739999.7711182
1994	14840000.1525879
1995	23819999.6948242
1996	20329999.9237061
1997	42060001.373291
1998	40409999.8474121
1999	41819999.6948242
2000	20750000
2001	21280000.6866455
2002	23850000.3814697
2003	-14520000.4577637
2004	32799999.2370605
2005	34400001.5258789
2006	19129999.1607666
2007	69819999.6948242
2008	109300003.05175799
2009	156639999.38964802
2010	124589996.337891
2011	185690002.44140598
2012	176679992.67578098
2013	145740005.493164
2014	44590000.1525879
2015	78419998.1689453
2016	42340000.1525879
2017	14630000.1144409
2018	69220001.2207031
2019	22219999.3133545
2020	335119995.11718804
2021	293200012.207031
2022	76199996.9482422