Year	current US$
1979	109999.999403954
1980	159999.99642372102
1981	419999.986886978
1982	2660000.08583069
1983	11130000.1144409
1984	9930000.30517578
1985	14420000.076293899
1986	31899999.6185303
1987	106690002.441406
1988	111540000.915527
1989	118830001.831055
1990	45330001.8310547
1991	54900001.5258789
1992	201589996.33789098
1993	135479995.727539
1994	69589996.3378906
1995	6230000.01907349
1996	6239999.771118159
1997	-6590000.15258789
1998	11199999.8092651
1999	-9850000.38146973
2000	-21229999.5422363
2001	-13680000.3051758
2002	-28239999.7711182
2003	-19569999.6948242
2004	-13739999.7711182
2005	-12819999.6948242
2006	-23290000.915527303
2007	42130001.0681152
2008	-16739999.7711182
2009	-24329999.9237061
2010	-26709999.084472697
2011	-33040000.915527303
2012	-13090000.1525879
2013	-15460000.038146999
2014	-14649999.6185303
2015	-15869999.8855591
2016	-15619999.8855591
2017	-13850000.3814697
2018	-10460000.038146999
2019	-14090000.1525879
2020	-25299999.237060502
2021	-21829999.9237061
2022	-33790000.9155273