Year	constant 2010 US$
1994	917.386711197728
1995	992.105913435717
1996	1055.84532920143
1997	1098.0291268207
1998	1145.91017463405
1999	1207.44214659339
2000	1240.06445198362
2001	1250.46796347215
2002	1250.28511494597
2003	1268.0614093833
2004	1323.9919681672
2005	1376.08043320926
2006	1403.08255439361
2007	1462.44321107575
2008	1491.95415123359
2009	1414.6391737632
2010	1460.99370933071
2011	1533.61067256766
2012	1608.5137308748
2013	1666.26707785969
2014	1728.45002332682
2015	1784.28885821334
2016	1841.42493785296
2017	1904.17220806157
2018	1815.0894137525