Year	current US$
1995	5599999.90463257
1996	1559999.9427795399
1997	2650000.09536743
1998	4590000.15258789
1999	5840000.15258789
2000	6309999.94277954
2001	4010000.2288818406
2002	9409999.84741211
2004	13210000.038146999
2005	16909999.8474121
2006	15750000
2007	19739999.7711182
2008	30329999.9237061
2009	22719999.3133545
2010	24329999.9237061
2011	30010000.2288818
2012	33450000.7629395
2013	33540000.915527303
2014	20659999.8474121
2015	24229999.5422363
2016	34759998.3215332
2017	23719999.3133545
2018	25079999.9237061
2019	22340000.1525879
2020	20799999.237060502
2021	23729999.5422363
2022	18100000.3814697