Year	constant 2010 US$
1970	14730.3418873546
1971	15410.4442426722
1972	15962.1163945895
1973	16695.4180575268
1974	17220.6021003576
1975	17931.8577647227
1976	18403.5355877738
1977	18791.4890717792
1978	19311.114091171
1979	19946.3602474776
1980	20434.4196401378
1981	20728.6350680428
1982	20793.2338808402
1983	20890.0657855693
1984	21170.2850448281
1985	21699.7285556955
1986	22308.1279856726
1987	23179.577071078
1988	24386.7869265879
1989	25318.0333145682
1990	25947.6449554833
1991	27400.6674760117
1992	26409.1918389455
1993	26592.3381975349
1994	27293.4315293332
1995	29059.9809538641
1996	29241.6805274651
1997	29639.4605191701
1998	29930.0436529154
1999	31296.8475339618
2000	32191.4857259184
2001	33024.8541545919
2002	34132.6541830408
2003	34493.0884869798
2004	34309.108639203
2005	33760.5348729365
2006	34145.1732620016
2007	34393.5255878782
2008	34238.6529746967
2009	34005.9002345892
2010	33792.9596268243
2011	33543.4031700401
2012	33702.7492171485
2013	33594.0497330628
2014	34145.4555726476
2015	34427.5418496457
2016	34267.541160015
2017	34439.6887252751
2018	35210.7462773726