Year	constant 2010 US$
1974	10821.8542706692
1975	10551.1150888708
1976	10947.6117027485
1977	11284.6320275191
1978	11775.0929871018
1979	12646.4765310217
1980	13144.9691021513
1981	12845.4247344096
1982	12174.2881518497
1983	12202.2306492823
1984	12600.52644219
1985	12698.4150377149
1986	13301.7103564779
1987	13594.4755716213
1988	14012.0541728211
1989	14461.9221582207
1990	13932.214675054
1991	13337.504619398
1992	12359.6215531011
1993	12463.7939365745
1994	12885.7547375272
1995	13093.9713412937
1996	13557.5455622216
1997	14139.9375612056
1998	14606.2580471977
1999	14593.4413584603
2000	15183.5612877844
2001	14769.0129700013
2002	14837.0194098359
2003	15107.7070963171
2004	15267.1099633174
2005	15814.3210165468
2006	16641.2717014065
2007	16860.5569403682
2008	16806.1938993553
2009	16072.0138647262
2010	16056.0165313276
2011	16112.6651302297
2012	16117.3579790104
2013	16085.0240491554
2014	16058.0534501732
2015	16174.9061322934
2016	16472.3142604622
2017	16611.6371684847