Year	current US$
1970	720000.028610229
1971	620000.004768372
1972	1080000.04291534
1973	1009999.99046326
1974	1059999.9427795399
1975	1879999.99523163
1976	720000.028610229
1977	170000.00178813902
1978	150000.005960464
1979	259999.990463257
1980	589999.973773956
1981	990000.009536743
1982	1149999.97615814
1983	1120000.00476837
1984	1100000.02384186
1985	1139999.98569489
1986	1429999.94754791
1987	3390000.10490417
1988	2220000.02861023
1989	5760000.228881841
1990	6570000.17166138
1991	3559999.94277954
1992	6280000.20980835
1993	9020000.45776367
1994	12199999.8092651
1995	15539999.961853001
1996	21850000.3814697
1997	4829999.92370605
1998	6349999.90463257
1999	1740000.0095367401
2000	1320000.05245209
2001	1629999.99523163
2002	1159999.9666214
2003	1129999.99523163
2004	1700000.04768372
2005	2700000.04768372
2006	2200000.04768372
2007	2049999.9523162802
2008	1759999.9904632599
2009	1090000.0333786
2010	959999.978542328
2011	750000
2012	818588.137626648
2013	840907.93132782
2014	2732378.95965576
2015	2499431.848526
2016	2637593.98460388
2017	2502399.92141724
2018	985552.489757538
2019	2130000.1144409203
2020	1083999.99141693
2021	1340999.96089935
2022	1345999.9561309798