Year	constant 2010 US$
1971	2281.23980481447
1972	2426.64015157716
1973	2663.32557620207
1974	2723.61040408502
1975	2801.25840989263
1976	3237.31226132051
1977	3542.63282006093
1978	3929.40010080888
1979	4096.48972517642
1980	3762.32765364482
1981	3912.75098332434
1982	4195.31753550813
1983	4675.72014142652
1984	5122.90193996022
1985	5363.44268580705
1986	6039.62011014262
1987	6784.07680375445
1988	7535.16936078325
1989	8046.88421804145
1990	8669.05490565983
1991	9452.62355450511
1992	9853.75911822851
1993	10441.3563497905
1994	11305.0737482963
1995	12030.8518816571
1996	12540.9643791357
1997	12764.9811893621
1998	11464.3405570424
1999	12519.9985005644
2000	13215.872249539
2001	13541.2683762715
2002	14694.6172275663
2003	14904.1092163871
2004	15438.0775523911
2005	15640.2667142182
2006	16198.2132718663
2007	17043.2163083503
2008	16627.9279513624
2009	16754.4527791899
2010	18160.9660511944
2011	18129.76019086
2012	18479.7257442518
2013	18789.6638444816
2014	19369.0245271807
2015	20356.4202364434
2016	21133.1595279029
2017	21706.9178241121