Year	current US$
1979	2000000
1980	3549999.95231628
1981	2720000.02861023
1982	9579999.92370605
1983	7960000.03814697
1984	8949999.80926514
1985	8140000.34332275
1986	7500000
1987	6449999.80926514
1988	6389999.8664856
1989	8739999.77111816
1990	12979999.5422363
1991	12489999.7711182
1992	11850000.3814697
1993	7909999.84741211
1994	6699999.80926514
1995	2099999.90463257
1996	1230000.01907349
1997	860000.014305115
1998	660000.026226044
1999	340000.00357627904
2000	270000.010728836
2001	469999.998807907
2002	349999.99403953605
2003	270000.010728836
2005	70000.0002980232
2006	19999.9995529652
2007	119999.997317791
2008	109999.999403954
2009	239999.994635582
2010	430000.00715255697
2011	2160000.08583069
2012	1951300.02498627
2013	1813112.97416687
2015	451613.93284797703
2016	1616965.29388428
2017	2408819.9138641404
2018	484138.72718811
2019	1133455.39569855
2020	948358.476161957
2021	796109.974384308
2022	1210700.03509521