Year	current US$
1993	1539999.96185303
1994	9020000.45776367
1995	7739999.771118159
1996	6139999.8664856
1997	8579999.92370605
1998	5610000.1335144
1999	18530000.6866455
2000	11779999.7329712
2001	15840000.1525879
2002	22989999.7711182
2003	38389999.3896484
2004	15119999.8855591
2005	15890000.3433228
2006	7320000.17166138
2007	19909999.8474121
2008	70300003.0517578
2009	39509998.3215332
2010	35040000.9155273
2011	9489999.77111816
2012	7269999.98092651
2013	12130000.1144409
2014	20200000.762939498
2015	31270000.4577637
2016	18840000.1525879
2017	33189998.626709
2018	34790000.9155273
2019	48619998.9318848
2020	28950000.762939498
2021	34860000.6103516
2022	31569999.6948242