Year	constant 2011 international $
1990	7952520677.3059
1991	8511109393.79775
1992	8312833496.7322
1993	8483604400.42416
1994	8826660479.17516
1995	9530909026.04061
1996	9721934704.4806
1997	9978483845.74696
1998	10202431240.0443
1999	10813408111.8339
2000	11273020565.0684
2001	11703352144.4479
2002	12223324974.4927
2003	12503423188.132
2004	12614761731.0919
2005	12604449378.314
2006	12953021997.0857
2007	13250298606.8585
2008	13428535096.9394
2009	13586525316.4288
2010	13750167610.9332
2011	13955383537.5159
2012	14362490265.4891
2013	14650892787.9523
2014	15246524972.354
2015	15739578958.0121
2016	16007755407.2555
2017	16484064708.7617
2018	17175071008.3305