Year	current US$
1970	7435.61226741386
1971	0
1972	0
1973	0
1974	1278.24029693775
1975	131.544176713884
1976	0
1977	0
1978	0
1979	5320.4204478938
1980	21879.7117136814
1981	13635.8390957005
1982	12298.9997108134
1983	24255.712578037
1984	52621.1487255373
1985	38606.81227368
1986	50739.3624537639
1987	136591.788096716
1988	416124.761083506
1989	226529.43963854
1990	42302.0855930241
1991	41415.4272455924
1992	0
1993	0
1994	0
1995	3899037.22729343
1996	12231532.2614698
1997	7795616.78280205
1998	7939187.34263014
1999	5095048.94262054
2000	8696346.08481987
2001	7587773.83072944
2002	13246957.1253869
2003	4655666.95505869
2004	4390300.2544386
2005	5113450.89774141
2006	12440868.7946733
2007	26872069.0017096
2008	41560177.0510228
2009	100657681.26933
2010	241274447.390443
2011	370304481.366655
2012	681849787.557629
2013	697156869.628633
2014	597587458.114671
2015	505927924.229365
2016	737285951.819794
2017	686595367.140615
2018	760971.667027012
2019	686738285.099199
2020	807003703.755446
2021	1764902434.01515