Year	constant 2011 international $
1990	1248.39930401293
1991	1269.27010222848
1992	1028.16622586394
1993	1046.81747785998
1994	1031.0003741916
1995	949.805081491658
1996	964.511290436349
1997	903.086328020995
1998	909.517865646898
1999	875.354307093973
2000	908.706205578841
2001	820.701636773405
2002	993.279268994785
2003	1036.66208981027
2004	1057.69349373423
2005	1063.90846449143
2006	1073.91987930045
2007	1129.38207386737
2008	1162.4090578286
2009	1172.86273371154
2010	1208.04872063314
2011	1255.45303814858
2012	1413.88133993363
2013	1669.13127790833
2014	1707.09733472882
2015	1326.20550445645
2016	1376.39747367488
2017	1403.79108768936
2018	1425.34157746319