Year	current US$
1974	19999.9995529652
1975	1860000.01430511
1976	3319999.9332428
1977	6440000.05722046
1978	9859999.65667725
1979	12350000.3814697
1980	12539999.961853001
1981	9260000.22888184
1982	10699999.8092651
1983	6780000.20980835
1984	6840000.15258789
1985	5159999.84741211
1986	9109999.65667725
1987	12449999.8092651
1988	20030000.6866455
1989	11220000.2670288
1990	17079999.9237061
1991	14430000.3051758
1992	15909999.8474121
1993	16979999.5422363
1994	13220000.2670288
1995	13350000.3814697
1996	17719999.3133545
1997	15479999.5422363
1998	11989999.7711182
1999	11560000.4196167
2000	14560000.4196167
2001	12100000.3814697
2002	15380000.1144409
2003	22659999.8474121
2004	22170000.0762939
2005	14970000.2670288
2006	23729999.5422363
2007	19790000.915527303
2008	20790000.915527303
2009	18159999.8474121
2010	5900000.09536743
2011	2640000.10490417
2012	-709999.978542328
2013	-730000.019073486
2014	-349999.99403953605
2015	-589999.973773956
2016	-579999.983310699
2017	-469999.998807907
2018	-430000.00715255697
2019	-509999.99046325695
2020	250000
2021	2049999.9523162802
2022	1950000.04768372