Year	current US$
1981	519999.980926514
1982	180000.00715255702
1983	170000.00178813902
1984	680000.007152557
1985	1769999.98092651
1986	3759999.99046326
1987	460000.00834465
1988	5949999.80926514
1989	3150000.09536743
1990	11159999.8474121
1991	6340000.15258789
1992	4099999.90463257
1993	2769999.98092651
1994	5949999.80926514
1995	3839999.91416931
1996	2170000.07629395
1997	4590000.15258789
1998	2630000.1144409203
1999	3069999.9332428
2000	3640000.10490417
2001	2319999.9332428
2002	2630000.1144409203
2003	5570000.17166138
2004	4820000.17166138
2005	4039999.96185303
2006	1389999.98569489
2007	4489999.771118159
2008	439999.997615814
2009	899999.976158142
2010	660000.026226044
2011	1019999.98092651
2012	200000.00298023198
2013	540000.021457672
2014	289999.99165535
2015	50000.0007450581
2016	829999.983310699
2017	19999.9995529652
2019	19999.9995529652
2020	259999.990463257
2021	2329999.92370605
2022	439999.997615814