Year	current US$
1960	42860000.6103516
1961	36680000.3051758
1962	32060001.373291
1963	26139999.3896484
1964	18600000.3814697
1965	7889999.8664856
1966	2000000
1967	2009999.9904632599
1968	6880000.11444092
1969	7280000.20980835
1970	4300000.19073486
1971	3369999.8855590797
1972	7090000.15258789
1973	12310000.4196167
1974	11329999.923706101
1975	1549999.95231628
1976	6969999.79019165
1977	6320000.17166138
1978	5170000.07629395
1979	3430000.0667572
1980	12130000.1144409
1981	4690000.05722046
1982	107620002.746582
1983	5250000
1984	4639999.8664856
1985	5230000.01907349
1986	10739999.7711182
1987	6130000.11444092
1988	5500000
1989	9779999.73297119
1990	8340000.152587891
1991	7489999.771118159
1992	3279999.97138977
1993	2869999.8855590797
1994	3950000.04768372
1995	5840000.15258789
1996	3769999.98092651
1997	3980000.01907349
1998	5550000.19073486
1999	4699999.80926514
2005	23840000.1525879
2006	37509998.3215332
2007	19409999.8474121
2008	74199996.9482422
2009	40040000.9155273
2010	7610000.1335144
2011	641099975.585938
2012	87120002.746582
2013	128830001.831055
2014	210279998.779297
2015	157369995.117188
2016	179490005.493164
2017	431869995.11718804
2018	303459991.455078
2019	294190002.441406
2020	296179992.675781
2021	343600006.10351604
2022	263950012.207031