Year	current US$
1995	54000000
1996	42000000
1997	44000000
1998	51000000
1999	15000000
2000	24000000
2001	23000000
2002	45000000
2003	70040000.9155273
2004	75099998.4741211
2005	77300003.0517578
2006	75099998.4741211
2007	32200000.7629395
2008	26299999.237060502
2009	40099998.4741211
2010	51400001.5258789
2011	10100000.3814697
2012	29100000.3814697
2013	4199999.80926514
2014	15600000.3814697
2015	14199999.8092651
2016	13199999.8092651
2017	13199999.8092651
2018	16399999.618530298
2019	14300000.1907349
2020	7300000.19073486