Year	current US$
1965	5304803.090320385
1966	22386979.773890372
1967	6504040.24069209
1968	6059022.2933808165
1969	30004553.690514624
1970	26772496.435161658
1971	13073962.525600046
1972	12300238.814691534
1973	34546318.921183355
1974	79350352.69029349
1975	15864653.970899558
1976	37246207.57636935
1977	94024860.1016819
1978	7976800.602474937
1979	78976554.44972022
1980	221980771.87354925
1981	132483735.69768532
1982	115335605.92348193
1983	47235904.802599624
1984	-89940272.93315169
1985	82357110.52816077
1986	22523439.276969418
1987	55234545.80544512
1988	119523961.29654212
1989	-137927452.4767144
1990	-195765302.93002853
1991	-127611188.70718619
1992	-176053807.9530465
1993	49441561.27353255
1994	180113746.73243037
1995	210358274.27411342
1996	-1115758540.3318286
1997	-270548254.67182475
1998	405411433.84135085
1999	-875546590.2094058
2000	-77858174.91599366
2001	-188349850.11346835
2002	-620238201.8297598
2003	238995338.63425013
2004	287995448.6195678
2005	25158887.806963053
2006	-15879783.079170361
2007	-854425958.5573117
2008	702774156.471434
2009	-462423245.4979495
2010	341635364.3971724
2011	-459897072.03942066
2012	1211968922.81063
2013	931574107.2522055
2014	70522291.58805601
2015	-78712921.54303753
2016	-49424101.38992693
2017	-574096486.4354026
2018	-125097566.10960332
2019	-112740669.71668272
2020	881211488.1076721
2021	1833069018.2287934
2022	814409688.3552918