Year	constant 2011 international $
1990	1440.16609515442
1991	1435.13984488133
1992	1451.02165679337
1993	1464.3734899085
1994	1432.10995674429
1995	1466.79862282353
1996	1508.70270042526
1997	1545.59130767942
1998	1577.75019683821
1999	1601.36394692149
2000	1626.11128346952
2001	1660.81614658628
2002	1690.57805694724
2003	1738.55420737503
2004	1788.48245290098
2005	1859.42920508627
2006	1950.32432003185
2007	2043.99496973445
2008	2124.94977516994
2009	2160.62570680937
2010	2215.76868180543
2011	2310.9394030017
2012	2382.19644504835
2013	2409.90771404896
2014	2545.5875235526
2015	2630.20056124463
2016	2712.21746607429
2017	2808.52359723652
2018	2905.12988435484