Year	current US$
1990	87880967.7853424
1991	347917511.053643
1992	293395341.792159
1993	306087199.560279
1994	280861659.61718
1995	386348691.198089
1996	172342139.181507
1997	206271675.337923
1998	557858136.937159
1999	426775648.491367
2000	489817967.528601
2001	2494717.38696384
2002	738087092.698091
2003	855378098.254091
2004	1213316567.8894
2005	812704606.455325
2006	1041528964.90769
2007	1106618765.16557
2008	112570759.834998
2009	457840664.473059
2010	-13778040.1976585
2011	-262593143.871217
2012	218752512.933573
2013	209841485.634948
2014	419299379.181735
2015	2092765053.94558
2016	2342736621.38015
2017	2364315683.40167
2018	2732384501.96483
2019	4681925104.39648
2020	6137541805.97794
2021	7233913607.61337