Year	current US$
1992	10300000.1907349
1993	15229999.5422363
1994	17079999.9237061
1995	18209999.084472697
1996	8670000.07629395
1997	12760000.2288818
1998	8100000.38146973
1999	6769999.98092651
2000	10149999.6185303
2001	9670000.07629395
2002	9649999.61853027
2003	7809999.94277954
2004	5699999.80926514
2005	8020000.45776367
2006	5329999.92370605
2007	9359999.65667725
2008	5230000.01907349
2009	9380000.11444092
2010	16340000.152587902
2011	28389999.3896484
2012	7980000.01907349
2013	22440000.5340576
2014	6230000.01907349
2015	11199999.8092651
2016	5739999.771118159
2017	5150000.09536743
2018	14489999.7711182
2019	11409999.8474121
2020	7530000.20980835
2021	2670000.07629395
2022	15630000.1144409