Year	current US$
1980	9210000.03814697
1981	11710000.038146999
1982	12670000.076293899
1983	14750000
1984	13020000.4577637
1985	34880001.0681152
1986	26270000.4577637
1987	37939998.626709
1988	9359999.65667725
1989	10210000.038146999
1990	19180000.3051758
1991	4110000.1335143996
1992	-1659999.9666214
1993	-2250000
1994	3039999.96185303
1995	1179999.94754791
1996	6360000.1335144
1997	8529999.73297119
1998	8710000.03814697
1999	10050000.1907349
2000	2690000.05722046
2001	6969999.79019165
2002	6889999.8664856
2003	6119999.88555908
2004	19999.9995529652
2005	7519999.98092651
2006	16459999.0844727
2007	5670000.07629395
2008	2910000.08583069
2009	2289999.96185303
2010	5500000
2011	20030000.6866455
2012	13430000.3051758
2013	20649999.6185303
2014	20739999.7711182
2015	16933227.5390625
2016	21363336.5631104
2017	25005992.8894043
2018	26532979.96521
2019	44426841.7358398
2020	8900073.05145264
2021	8236000.06103516
2022	-4699200.15335083