Year	constant 2011 international $
1990	845.337650378197
1991	897.129515635884
1992	874.733704988813
1993	878.677791774561
1994	865.112737178552
1995	892.778220343912
1996	970.841286549685
1997	1000.24363064687
1998	1043.55119872014
1999	1088.82847235526
2000	1068.56520591968
2001	1108.76435663766
2002	1127.35644997991
2003	1180.30447010611
2004	1197.2523845894
2005	1266.36395688365
2006	1310.34597197809
2007	1340.43974992677
2008	1395.32643616598
2009	1393.02709872901
2010	1389.20509619584
2011	1418.44447734695
2012	1493.50846702096
2013	1538.37069922502
2014	1537.59451460522
2015	1544.81391327923
2016	1581.93065960675
2017	1640.28787903041
2018	1705.48542181734