Year	constant 2010 US$
1970	19508.0432356095
1971	20433.1846978183
1972	21543.5343717697
1973	22462.7107711429
1974	23381.0687519995
1975	23339.2830744388
1976	24411.8447503889
1977	25624.9672546747
1978	25592.7390978051
1979	27045.2508000956
1980	27554.3283235036
1981	27470.0598329904
1982	28036.9628854794
1983	28921.5814047306
1984	28952.0206771699
1985	29685.8529880454
1986	30225.7252532531
1987	30603.7684356832
1988	31732.3201894891
1989	32928.7616061266
1990	34152.6958192589
1991	34807.3505230805
1992	35077.1354172315
1993	34997.4025175946
1994	35628.1645626824
1995	36393.4668494788
1996	37324.4875636139
1997	37904.3171151705
1998	39160.3420849362
1999	40069.3710859162
2000	41629.6057300074
2001	41782.7595183401
2002	42606.298431809
2003	42942.6556140445
2004	43895.0829820846
2005	44542.2148431235
2006	46060.1886398984
2007	47461.9771486723
2008	48455.4841927369
2009	46103.3236050384
2010	47250.0083676307
2011	48225.8635870391
2012	48220.2162729991
2013	48028.7078295679
2014	47905.1397587833
2015	47381.4062405728
2016	48246.1362593071
2017	49060.6809886537