Year	current US$
1977	1629999.99523163
1981	5050000.19073486
1982	1289999.96185303
1983	1019999.98092651
1984	730000.019073486
1985	1110000.01430511
1986	1549999.95231628
1987	14420000.076293899
1988	6480000.01907349
1989	1240000.0095367401
1990	2299999.95231628
1991	4590000.15258789
1992	1230000.01907349
1993	3869999.8855590797
1994	660000.026226044
1995	2859999.89509583
1996	2990000.00953674
1997	2059999.94277954
1998	2200000.04768372
1999	970000.028610229
2000	6179999.82833862
2001	4360000.1335144
2002	4119999.88555908
2003	3799999.95231628
2004	2769999.98092651
2005	5559999.94277954
2006	7420000.07629395
2007	4530000.20980835
2008	4099999.90463257
2009	2779999.97138977
2010	2049999.9523162802
2011	1870000.00476837
2012	4280000.20980835
2013	4059999.94277954
2014	300000.011920929
2015	9829999.92370605
2016	11920000.076293899
2017	569999.992847443
2018	3549999.95231628
2019	2640000.10490417
2020	14840000.1525879
2021	8979999.54223633
2022	4530000.20980835