Year	constant 2011 international $
2000	1365.90992655338
2001	1353.05039037712
2002	1336.38141175292
2003	1311.93618544977
2004	1321.92495103364
2005	1346.75351949367
2006	1359.13009696299
2007	1375.57542572024
2008	1369.48238870888
2009	1386.11220496037
2010	1424.25612209932
2011	1515.52262633243
2012	1449.42340511306
2013	1422.05283075459
2014	1476.84502480861
2015	1513.26746266066
2016	1569.53264499833
2017	1580.02621729055
2018	1593.18402521998
