Year	constant 2011 international $
1990	773.199678311356
1991	788.907855197712
1992	789.144708698153
1993	827.465546808187
1994	852.983523150189
1995	922.40035345663
1996	976.440393873547
1997	996.735248243619
1998	1015.82292170738
1999	1065.99611460327
2000	1067.04999865993
2001	1088.36340957555
2002	1146.81030791323
2003	1182.82268145541
2004	1223.73930229244
2005	1260.65704911059
2006	1353.26320278121
2007	1421.58606458934
2008	1497.37914095099
2009	1549.36178312208
2010	1585.37517575313
2011	1679.93785536683
2012	1689.77724447802
2013	1694.67810014202
2014	1722.49137694146
2015	1749.60234940908
2016	1767.49689955121
2017	1768.21113747699
2018	1807.37130644787