Year	current US$
1972	39999.9991059303
1973	1360000.01430511
1974	1490000.0095367401
1975	720000.028610229
1976	400000.00596046395
1977	419999.986886978
1979	150000.005960464
1980	5500000
1981	409999.99642372096
1982	5150000.09536743
1983	7849999.90463257
1984	7530000.20980835
1985	2380000.1144409203
1986	13039999.961853001
1987	4690000.05722046
1988	10439999.5803833
1989	11770000.4577637
1990	7590000.15258789
1991	7130000.11444092
1992	8689999.5803833
1993	2930000.0667572
1994	7570000.17166138
1995	6909999.84741211
1996	1100000.02384186
1997	3269999.98092651
1998	8789999.96185303
1999	16530000.6866455
2000	8399999.61853027
2001	3599999.90463257
2002	2119999.8855590797
2003	1659999.9666214
2004	4519999.98092651
2005	1750000
2006	600000.023841858
2007	1149999.97615814
2008	250000
2009	449999.988079071
2010	79999.9982118607
2011	509999.99046325695
2012	203429.475426674
2013	185497.77567386598
2014	779749.989509583
2015	99467.0018553734
2016	543309.986591339
2017	1210430.02605438
2018	1299967.6465988199
2019	1014299.9887466399
2020	3109746.9329834003
2021	763040.006160736
2022	1642057.77645111