Year	constant 2011 international $
1990	1514.28145669267
1991	1481.09634043159
1992	1427.40518165678
1993	1398.85069963624
1994	1361.21283468484
1995	1387.25810415608
1996	1422.0713079541
1997	1442.97885523384
1998	1453.47868334028
1999	1460.44059036062
2000	1461.63283451712
2001	1484.53947066243
2002	1492.13830679681
2003	1515.7743759325
2004	1555.9924675132
2005	1606.47680653894
2006	1660.12535318652
2007	1723.17639794984
2008	1779.1191946077
2009	1807.39305247958
2010	1863.59765465027
2011	1897.90397040649
2012	1952.35805735908
2013	2010.50958433619
2014	2064.81829901256
2015	2107.63409433662
2016	2149.00939029225
2017	2201.94678148744
2018	2232.038256505