Year	constant 2011 international $
1990	38341089855.7147
1991	30251119647.6238
1992	16668366983.8291
1993	11784535218.604
1994	10558944290.9836
1995	10833476409.994
1996	12046826050.3359
1997	13314036590.0207
1998	13727424542.7945
1999	14121299590.5184
2000	14380897339.0491
2001	15071964460.3572
2002	15896979302.8375
2003	17654982239.475
2004	18677999553.2041
2005	20469140119.6858
2006	22397286243.9424
2007	25214630299.9155
2008	25824464340.8017
2009	24881738656.2802
2010	26436719875.2672
2011	28345876391.9811
2012	30146065697.6275
2013	31167043858.8688
2014	32608087432.5993
2015	33547372047.2976
2016	34502332646.746
2017	36169722146.6237
2018	37875982990.8002