Year	constant 2010 US$
1973	329.735469864621
1974	354.685403532183
1975	333.260681724669
1976	344.055022979106
1977	343.342093016427
1978	358.372652858396
1979	366.061855518774
1980	360.461050210187
1981	383.299394081218
1982	381.309806908116
1983	390.524366803623
1984	398.038021675296
1985	396.616876349985
1986	403.601562566473
1987	409.570038410069
1988	408.477847548396
1989	409.286626297206
1990	421.152628599667
1991	425.904844667632
1992	440.265337159091
1993	452.23588712053
1994	461.872835525242
1995	474.74210456649
1996	483.507237442808
1997	495.435095467927
1998	510.388297204666
1999	524.485299684119
2000	542.549017274393
2001	558.352796800408
2002	574.295638606564
2003	591.27885729328
2004	614.479176957702
2005	645.659197428033
2006	687.710125765966
2007	732.342567375624
2008	775.593609946469
2009	807.29559547228
2010	844.429841068751
2011	887.029111912697
2012	938.042117050002
2013	979.258379013211
2014	1013.98037510034
2015	1066.49622839619
2016	1122.52451762162
2017	1175.85230332776
2018	1258.0882113236