Year	constant 2010 US$
1970	30642.9710341364
1971	31308.1305488037
1972	32333.0186290713
1973	33541.1652572793
1974	32876.1141131891
1975	32285.6675614468
1976	34148.1876843489
1977	34626.3041252143
1978	35246.5535071519
1979	36252.8471294683
1980	36125.6524449344
1981	35598.0330827216
1982	36698.3197892183
1983	37753.604692442
1984	39154.406893489
1985	40660.2719440536
1986	42692.2020986734
1987	42884.2804185346
1988	42768.2791858109
1989	42867.8832223896
1990	43302.3902374125
1991	43723.2808746012
1992	44531.9556117538
1993	44608.0771655955
1994	46887.9076517311
1995	48269.4828745483
1996	49309.9823002385
1997	50782.5751139608
1998	51919.4476866739
1999	53466.4203104542
2000	54621.3719741374
2001	55309.4549843746
2002	55513.6952726888
2003	55768.4145782222
2004	57677.670075602
2005	59258.0575944628
2006	61614.4522261082
2007	61474.0589836085
2008	61169.8474828148
2009	57791.6859019761
2010	58990.7844412916
2011	59799.6866536358
2012	59800.7266976232
2013	60647.8965219652
2014	61612.5457759843
2015	62271.0279432975
2016	62951.0140012929
2017	63754.6418091257
2018	64432.1493785322