Year	constant 2010 US$
1970	13288112.0344521
1971	15318251.3429313
1972	16856242.575169
1973	18947871.8991952
1974	22146891.382731
1975	22577492.4554592
1976	21900817.3446103
1977	26453244.0378101
1978	27683614.2284137
1979	26268660.0152364
1980	47677418.5757884
1981	49641623.5817471
1982	49025315.4647533
1983	48479949.2892839
1984	44338713.452793
1985	44782100.587321
1986	45926039.394403
1987	49029749.3360985
1988	48732679.9559649
1989	54075494.9270264
1990	59600098.6232442
1991	62059895.2092358
1992	68691356.8859281
1993	71457495.7780871
1994	70271234.2733346
1995	67897457.5285729
1996	67811576.6634853
1997	70435359.6160367
1998	67878936.4395527
1999	72514508.5754616
2000	90167328.942398
2001	90206194.7353573
2002	91697056.9195344
2003	91436849.8657921
2004	102758193.210197
2005	103179505.244432
2006	134612984.637826
2007	138975812.367425
2008	145052268.241139
2009	185808978.907472
2010	170592850
2011	166168190.327057
2012	153594080.521325
2013	123816557.450236
2014	114534243.53704
2015	97752484.2337152
2016	90383655.262154
2017	91286857.5387115