Year	current US$
1979	200000.00298023198
1980	6149999.85694886
1981	8080000.039190056
1982	19420000.2849102
1983	24109999.656677254
1984	21410000.145435326
1985	39120000.4220009
1986	47319999.27014113
1987	52049999.83310703
1988	9779999.785125257
1989	16819999.806582935
1990	37810000.33020974
1991	10079999.990761267
1992	10169999.687001111
1993	16099999.96237457
1994	3950000.086799263
1995	10770000.137388704
1996	22540000.31948089
1997	6530000.090599068
1998	11220000.620931398
1999	13199999.827891592
2000	18659999.76173044
2001	7019999.980926522
2002	6950000.010430811
2003	6530000.058934104
2004	7230000.104755163
2005	18900000.02831221
2006	7569999.620318426
2007	24330000.251531612
2008	52529999.50945382
2009	16519999.518990513
2010	16740000.367164612
2011	20360000.759363208
2012	20059999.13811681
2013	18819999.545812592
2014	15969999.879598625
2015	8849191.643297672
2016	19817792.892456092
2017	36703889.876604095
2018	34671463.668346405
2019	14590879.216790197
2020	16035102.471709246
2021	-9905000.552535037
2022	5466780.640184907