Year	constant 2011 international $
1994	29356184040.0801
1995	28935459290.369
1996	31003593915.7053
1997	29107986571.1903
1998	28798228094.0098
1999	26609492977.6844
2000	26632798194.0244
2001	25272646062.063
2002	26478609673.5116
2003	28166725007.935
2004	29918872317.8958
2005	31343802449.5494
2006	33350133578.3026
2007	35181337568.1641
2008	36359666193.9222
2009	38334241754.93
2010	40953653761.1131
2011	43243275549.0054
2012	45911004035.7101
2013	47743367611.2368
2014	52535898096.4079
2015	57105520412.6362
2016	62570159147.8826
2017	64075698589.0163
2018	67256274340.147