Year	constant 2011 international $
1990	7273615927.82477
1991	7586131465.17792
1992	8007909584.71721
1993	8481381767.89218
1994	9173379277.97665
1995	9818382905.44847
1996	10498632257.7159
1997	11220107848.8958
1998	11665277755.7618
1999	12517586818.5629
2000	13243454430.6593
2001	14005140174.8313
2002	14834068524.0527
2003	15734051803.1481
2004	16734374903.4779
2005	17923782040.8776
2006	19468680529.6535
2007	20947682859.2084
2008	22586818673.961
2009	24281230970.7998
2010	26351668594.1
2011	28469987707.9776
2012	30755016945.5792
2013	33223506940.3046
2014	35752468142.3336
2015	38351526625.7744
2016	41044989575.8241
2017	43857158822.0163
2018	46708255004.2473