Year	constant 2010 US$
1970	9889.07160994397
1971	10211.9903522291
1972	10709.8258553584
1973	11198.5127110834
1974	11157.4093996957
1975	11314.9250847657
1976	11704.1156368839
1977	12002.733459369
1978	12365.4831848813
1979	12706.5885848895
1980	12739.7027670849
1981	12808.6369757083
1982	12892.4616488282
1983	13177.1877827496
1984	13496.0746984454
1985	13901.987137703
1986	14336.8156896581
1987	14747.826183204
1988	15242.225530797
1989	15663.8490327318
1990	16006.4744541955
1991	16072.661696917
1992	16367.8913059203
1993	16518.725050148
1994	16863.4276148286
1995	17143.2274884273
1996	17533.4341031389
1997	17931.4948084209
1998	18378.488496827
1999	18971.5509758396
2000	19586.1581434786
2001	19883.2368274408
2002	20170.8201420708
2003	20476.9676277994
2004	20943.331652038
2005	21392.3831712506
2006	21765.3090700109
2007	22112.7392773901
2008	21994.6402426978
2009	21578.7305248244
2010	21854.2393660288
2011	22029.3605202037
2012	22115.8312089279
2013	22262.4149244301
2014	22514.8076141984
2015	22940.319263404
2016	23312.8172563573
2017	23715.0565460003