Year	constant 2011 international $
1990	1188.05828312966
1991	1231.15317592936
1992	1247.45793810161
1993	1260.60468850671
1994	1328.45681035671
1995	1340.44013547329
1996	1378.99330864899
1997	1416.90048015352
1998	1429.69042709122
1999	1464.07146241459
2000	1526.84332296049
2001	1573.44745913452
2002	1551.22123262307
2003	1589.57924497021
2004	1641.85572259798
2005	1677.52055708703
2006	1712.53030629243
2007	1749.7500458352
2008	1836.79382530471
2009	1904.56164056582
2010	1986.71001520982
2011	2052.54719698636
2012	2154.79317140078
2013	2249.75989117733
2014	2385.47071596762
2015	2454.8746072374
2016	2447.0340737523
2017	2605.51011430955
2018	2723.96205663916