Year	constant 2010 US$
1965	2350.46227818065
1966	2407.34325185243
1967	3891.66692896522
1968	6875.55870569322
1969	8379.66106933842
1970	9239.15796499506
1971	9009.52376269487
1972	9545.37197089986
1973	7874.53471532534
1974	8415.401085674
1975	9995.55055866081
1976	11458.9843853298
1977	10978.1883843331
1978	10009.7248449534
1979	9878.49151278247
1980	9907.35670185063
1981	10967.256832383
1982	11576.7262650807
1983	12801.8802779297
1984	14210.6116220675
1985	15472.9433315939
1986	15148.1959414703
1987	14097.1307735061
1988	14419.3952359511
1989	15531.1632923449
1990	14903.1505437198
1991	15127.1586586634
1992	15659.7960063921
1993	15894.2240860457
1994	15923.7800566312
1995	16295.7791526904
1996	16549.0618386247
1997	17445.3125710142
1998	17889.5620953386
1999	17843.1465706622
2000	18698.5481488105
2001	19306.9482692019
2002	18768.1933204914
2003	17874.4879646406
2004	17666.0398517917
2005	17632.0660750634
2006	18078.8811524171
2007	18340.9192890016
2008	19168.1310311239
2009	19454.2238192721
2010	19281.1656336502
2011	17837.6718519649
2012	18125.7563406129
2013	17577.7638034153
2014	16884.2834134786
2015	16689.8332167705
2016	16692.2559984377
2017	15875.5709315746
2018	15663.9053019362