Year	current US$
1977	159999.99642372102
1980	709999.978542328
1981	1129999.99523163
1982	2910000.08583069
1983	2680000.0667572
1984	340000.00357627904
1985	2740000.00953674
1986	1440000.0572204601
1987	649999.976158142
1988	759999.990463257
1989	670000.016689301
1990	1059999.9427795399
1991	1000000
1992	5909999.84741211
1993	9130000.11444092
1994	6340000.15258789
1995	6050000.19073486
1996	5929999.82833862
1997	9590000.15258789
1998	8149999.61853027
1999	10409999.8474121
2000	20110000.6103516
2001	12369999.8855591
2002	25440000.5340576
2003	40020000.4577637
2004	33689998.626709
2005	31319999.6948242
2006	33770000.4577637
2007	43139999.3896484
2008	44180000.3051758
2009	33340000.152587898
2010	31590000.1525879
2011	84199996.9482422
2012	35020000.4577637
2013	63049999.237060495
2014	62919998.1689453
2015	42479999.5422363
2016	40459999.0844727
2017	66110000.61035161
2018	66760002.1362305
2019	64050003.0517578
2020	65190002.44140631
2021	61290000.9155273
2022	66769996.643066406