Year	constant 2010 US$
1967	751875.0568043
1968	837317.400804762
1969	837317.400804762
1970	854398.339433526
1971	1025283.02743445
1972	1367039.85315075
1973	1708809.2291526
1974	2221450.74286982
1975	3588490.59602058
1976	7860507.3937593
1977	7006109.05432577
1978	8885790.42119375
1979	12645165.7052153
1980	20454028.6739508
1981	23472548.0518778
1982	26682860.8935262
1983	21715420.2233712
1984	28494846.0201564
1985	38417741.8377694
1986	39408649.633092
1987	49738036.6492701
1988	78593126.0657528
1989	107780245.836653
1990	136337429.125119
1991	207672988.615337
1992	247154680.910309
1993	256336783.573256
1994	305730917.297981
1995	373442632.037794
1996	448511223.762671
1997	419529464.314167
1998	370517825.642042
1999	453004426.792881
2000	375548218.544498
2001	382256647.375947
2002	394624476.871156
2003	415752769.636092
2004	360281360.94005
2005	314004655.393644
2006	356020501.346162
2007	422283009.513351
2008	536832151.457216
2009	562730293.196663
2010	634219731.737966
2011	672585302.038719
2012	890011280.70594
2013	801830514.600378
2014	846447884.143256
2015	876311865.914249
2016	822049953.336894