Year	constant 2011 international $
1990	29537386916.9377
1991	30978698049.3617
1992	33615032397.5209
1993	34562324110.2709
1994	36981633281.461
1995	36549268521.3947
1996	38666570236.9614
1997	42261147901.0471
1998	44154630364.0669
1999	43591135940.2281
2000	42706348586.7724
2001	41048921860.9441
2002	38224752852.9042
2003	36707653011.0051
2004	38448000498.9563
2005	41981223547.0161
2006	43999562334.7185
2007	46878936599.5386
2008	49832142493.6953
2009	51769415985.6655
2010	55498418212.8535
2011	58558594372.8545
2012	58090625413.91
2013	62046971866.5313
2014	63358544216.2858
2015	64951659083.1152
2016	65728247155.841
2017	66672543792.1846
2018	67036615080.5146