Year	current US$
1990	46531580.1239834
1991	51108921.5013784
1992	70328690.8798581
1993	71372099.6173486
1994	84494067.1239477
1995	88971161.9305377
1996	133068647.697578
1997	138077877.933458
1998	147395880.40333
1999	168634571.320498
2000	202878411.049864
2001	210564223.93624
2002	229539965.325555
2003	260769873.331571
2004	283943547.141217
2005	325262111.697661
2006	304094972.154401
2007	349986646.042514
2008	343791456.556661
2009	339418791.087483
2010	373517621.984098
2011	459953730.82837
2012	523530329.755802
2013	468071575.205281
2014	592605335.286155
2015	707974615.119014
2016	787540396.396224
2017	874063311.131503
2018	849787013.923297
2019	969722764.056195
2020	984612723.278782
2021	1103824379.37714