Year	current US$
1992	819999.992847443
1993	779999.971389771
1994	44490001.6784668
1995	45799999.237060495
1996	44270000.4577637
1997	18049999.237060502
1998	25170000.0762939
1999	62509998.3215332
2000	47790000.9155273
2001	23149999.6185303
2002	8119999.88555908
2003	31229999.5422363
2004	26690000.5340576
2005	20950000.762939498
2006	17219999.3133545
2007	15680000.3051758
2008	12350000.3814697
2009	17750000
2010	23159999.8474121
2011	30620000.8392334
2012	19569999.6948242
2013	17479999.5422363
2014	21239999.7711182
2015	42119998.9318848
2016	12340000.1525879
2017	28440000.5340576
2018	21350000.3814697
2019	18329999.9237061
2020	12859999.6566772
2021	12619999.8855591
2022	19760000.2288818
