Year	constant 2021 US$
1991	310000.002384186
1992	10199999.8092651
1993	36000000
1994	229949996.94824198
1995	159559997.55859402
1996	134169998.168945
1997	270010009.765625
1998	177330001.831055
1999	250720001.220703
2000	199419998.168945
2001	312420013.42773396
2002	475420013.42773396
2003	387619995.11718804
2004	216679992.67578098
2005	247940002.44140598
2006	231630004.882813
2007	168050003.05175802
2008	182449996.94824198
2009	182919998.168945
2010	164869995.117188
2011	257559997.558594
2012	250039993.28613302
2013	-84699996.9482422
2014	206009994.506836
2015	75750000
2016	79300003.0517578
2017	130570007.324219
2018	89389999.3896484
2019	129389999.389648
2020	131009994.506836
2021	9760000.22888184
2022	47479999.5422363