Year	constant 2010 US$
1970	11139.1848768617
1971	11728.3205667806
1972	12301.026706013
1973	12614.4447439854
1974	12586.6390579938
1975	13104.782469437
1976	13725.4225001469
1977	14341.4666129197
1978	14868.8262969659
1979	15347.0717368867
1980	15546.4774749229
1981	15464.9852278793
1982	15324.0062467781
1983	15580.3751589525
1984	15939.5803867973
1985	16271.1186934073
1986	16885.3304101751
1987	17460.0267660052
1988	17854.158394355
1989	18254.6886413738
1990	18861.7772300273
1991	19541.6914154879
1992	20023.2576743437
1993	20019.5109373854
1994	20347.6907342209
1995	20688.9979668683
1996	20872.3867162671
1997	21005.3173388026
1998	21265.9474113333
1999	21795.8188971653
2000	22227.6490924931
2001	22548.4959922179
2002	22336.4584634414
2003	22349.6248287107
2004	22523.9350119747
2005	22629.6336306708
2006	22994.6641260624
2007	23025.4328298571
2008	23206.8921196853
2009	23300.8501540204
2010	23423.2399781971
2011	24183.6195250468
2012	24462.1704143715
2013	24545.140530149
2014	24696.1176612216
2015	24895.9504283063
2016	25205.2020863339
2017	25551.4828399463
2018	25747.4954001044