Year	current US$
1972	50000.0007450581
1973	100000.00149011599
1974	119999.997317791
1975	1200000.04768372
1976	2210000.03814697
1977	3779999.97138977
1978	1240000.0095367401
1979	920000.016689301
1980	200000.00298023198
1986	639999.985694885
1987	529999.971389771
1989	39999.9991059303
1990	50000.0007450581
1991	460000.00834465
1993	90000.0035762787
1994	379999.99523162795
1995	550000.011920929
1996	1730000.01907349
1997	1090000.0333786
1998	879999.995231628
1999	1149999.97615814
2000	810000.002384186
2001	1720000.02861023
2002	1190000.0572204601
2003	1720000.02861023
2004	4469999.79019165
2005	1389999.98569489
2006	970000.028610229
2007	1200000.04768372
2008	2539999.96185303
2009	790000.021457672
2010	1080000.04291534
2011	1519999.98092651
2012	4670000.07629395
2013	3569999.9332428
2014	3319999.9332428
2015	3450000.04768372
2016	2400000.09536743
2017	2980000.01907349
2018	1460000.03814697
2019	1210000.03814697
2020	970000.028610229
2021	1039999.96185303
2022	1559999.9427795399