Year	constant 2011 international $
1990	26485.3262666945
1991	26133.139730725
1992	26227.5353130787
1993	26800.2705434922
1994	27864.4435685541
1995	28410.1628499606
1996	29072.3942781617
1997	30282.7518605015
1998	31364.7383302565
1999	32055.8712977459
2000	33277.775377643
2001	34209.3036908076
2002	35115.7665685861
2003	36115.6634700857
2004	36669.798886185
2005	37682.1238905197
2006	37882.0364042913
2007	38324.6624693076
2008	37720.6095912496
2009	35907.3687882506
2010	36534.4388380408
2011	36966.367470978
2012	36707.0754365741
2013	36825.0780544803
2014	37627.0248083068
2015	38116.0436342324
2016	38421.4109697183
2017	39216.4395667384