Year	current US$
1987	1100000.02384186
1988	2299999.95231628
1989	3340000.033378605
1990	27380000.17218288
1991	19270000.48384068
1992	31639999.28906564
1993	7689999.938011161
1994	939999.9827146532
1995	9770000.392571138
1996	126479998.975992
1997	26689999.4499981
1998	23340000.361204147
1999	11900000.125169758
2000	1269999.9641626948
2001	16950000.116601586
2002	8599999.755620949
2003	4810000.248253335
2004	8770000.131800763
2005	141660001.3617425
2006	148459993.02901348
2007	100209997.95570976
2008	119929999.64952467
2009	161159996.6287613
2010	72420000.57920815
2011	48690000.30681495
2012	10400000.149384145
2013	6889999.775215978
2014	3100000.0182539215
2015	-5680000.178515909
2016	-2940000.057220459
2017	4840000.046417117
2018	6760000.228881838
2019	3380000.13306737
2020	510000.1133978372
2021	3269999.9846517993
2022	26740000.642836083