Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	9999.99977648258
1988	9999.99977648258
1989	69999.9984353781
1990	79999.9982118607
1991	2680000.0201910697
1992	2920000.01482666
1993	2839999.97936189
1994	5990000.00208616
1995	7979999.80300665
1996	3379999.95984137
1997	2019999.99769032
1998	1570000.02264977
1999	1049999.9839812499
2000	1200000.0011175899
2001	1369999.98986721
2002	7150000.1847744
2003	23330000.795424
2004	27530000.8095801
2005	38520000.5583465
2006	15760000.1841784
2007	16139999.8348206
2008	28719999.9392033
2009	37840000.0240654
2010	125010000.20094201
2011	87289999.8575449
2012	161679999.89725602
2013	262870004.979894
2014	239039998.03215298
2015	233950000.08493698
2016	282790000.662208
2017	256169998.99782202
2018	290150001.537055
2019	291980001.110584
2020	256060004.025698
2021	285679997.622967
2022	349189994.19733936