Year	current US$
1976	40900001.53
1977	34900001.53
1978	34599998.47
1979	37799999.24
1980	35200000.76
1981	35000000
1982	32200000.76
1983	36500000
1984	38900001.53
1985	57799999.24
1986	41500000
1987	40200000.76
1988	23200000.76
1989	24100000.38
1990	10800000
1991	11200000
1992	11500000
1993	13700000
1994	32100000
1995	50100000
1996	70100000
1997	83600000
1998	105100000
1999	119500000
2000	152000000
2001	179400000
2002	242300000
2003	322200000
2004	390894011.0778
2005	368741514.38
2006	357926850.104848
2007	396182577.601667
2008	364617028.726
2009	268997711.372921
2010	279309926.904788
2011	305485140.402054
2012	333540513.216504
2013	297425707.538584
2014	275081798.343135
2015	287140244.492688
2016	298112484.858386
2017	313969243.501942
2018	309110662.71512
2019	324882512.018689
2020	306275537.876392
2021	346664665.401984
2022	363448201.390611