Year	current US$
1977	50000.0007450581
1978	1340000.0333786
1980	70000.0002980232
1984	19999.9995529652
1985	50000.0007450581
1986	119999.997317791
1987	109999.999403954
1988	159999.99642372102
1989	180000.00715255702
1990	1200000.04768372
1991	2289999.96185303
1992	2849999.90463257
1993	2619999.8855590797
1994	5570000.17166138
1995	4139999.8664856004
1996	4199999.80926514
1997	5380000.11444092
1998	7150000.09536743
1999	6559999.94277954
2000	8500000
2001	4809999.94277954
2002	5690000.05722046
2003	4059999.94277954
2004	2500000
2005	2539999.96185303
2006	11409999.8474121
2007	2930000.0667572
2008	3859999.89509583
2009	3170000.07629395
2010	2619999.8855590797
2011	9430000.30517578
2012	4400000.09536743
2013	5659999.84741211
2014	7130000.11444092
2015	4849999.90463257
2016	2609999.89509583
2017	3279999.97138977
2018	3210000.03814697
2019	2569999.9332428
2020	2720000.02861023
2021	2109999.89509583
2022	1610000.01430511