Year	current US$
1990	25000000
1991	-52777777.77777778
1992	123750000
1993	-34015151.515151516
1994	-57258741.25874126
1995	-38765432.09876543
1996	46862186.12098254
1997	160230447.93317008
1998	37535874.56902363
1999	25442990.941587973
2000	23806929.157620315
2001	14951129.64319995
2002	18153463.986007284
2003	-38395537.41396984
2004	-5988795.912148701
2005	5084875.407019844
2006	21614877.132162306
2007	61916713.67254224
2008	90888231.9179391
2009	-62276087.874848716
2010	-34054719.16539679
2011	91338181.39909758
2012	213477528.3861778
2013	292125660.9394691
2014	292309670.2210297
2015	113317733.88484286
2016	118659956.06663758
2017	79321392.46231572
2018	326714053.62438756
2019	377465908.15741813
2020	-100487273.35528806
2021	185195507.67122748
2022	569760464.5267847