Year	current US$
1974	9999.99977648258
1975	100000.00149011599
1976	270000.010728836
1977	839999.973773956
1978	16549999.2370605
1979	7369999.88555908
1980	5460000.03814697
1981	22290000.915527303
1982	10380000.1144409
1983	13890000.3433228
1984	19450000.762939498
1985	10510000.2288818
1986	5219999.79019165
1987	959999.978542328
1988	36650001.5258789
1989	28829999.9237061
1990	27030000.6866455
1991	21010000.2288818
1992	-2480000.01907349
1993	620000.004768372
1994	-5860000.1335144
1995	-8699999.80926514
1996	-3369999.8855590797
1997	11479999.5422363
1998	29159999.8474121
1999	29850000.3814697
2000	72120002.746582
2001	88449996.9482422
2002	63270000.4577637
2003	85519996.6430664
2004	59729999.5422363
2005	51099998.4741211
2006	18549999.237060502
2007	20559999.4659424
2008	53979999.5422363
2009	14409999.8474121
2010	35869998.9318848
2011	25870000.8392334
2012	-53319999.6948242
2013	-36430000.3051758
2014	23870000.8392334
2015	-17290000.915527303
2016	-5730000.01907349
2017	42779998.779296905
2018	70790000.9155273
2019	102190002.441406
2020	-23100000.3814697
2021	9970000.26702881
2022	15539999.961853001