Year	constant 2010 US$
1970	2347.34609781501
1971	2411.65854251223
1972	2565.03328004189
1973	2725.6732065643
1974	2704.05227683683
1975	2695.64760526326
1976	2882.7140787824
1977	3078.6150407685
1978	3264.66332582393
1979	3260.53521898557
1980	3339.60548771399
1981	3253.24875886146
1982	3208.67038497175
1983	3116.31436931485
1984	3145.79963914065
1985	3122.1579571435
1986	3370.78935042378
1987	3246.55342768381
1988	3382.37406214801
1989	3318.5622077218
1990	3303.127644896
1991	3427.79942605536
1992	3526.10241767482
1993	3711.33027937675
1994	4107.04179835084
1995	4213.77999107346
1996	4141.59728070758
1997	4213.22699834718
1998	4122.56793489343
1999	3787.66008615815
2000	3692.60628215089
2001	3702.05338060818
2002	3716.21911135842
2003	3749.83343028453
2004	3917.89379462734
2005	4009.58735861444
2006	4244.27614468401
2007	4555.37237267344
2008	4697.27158467414
2009	4816.10594944944
2010	5024.44650854168
2011	5280.65368738103
2012	5553.4246680171
2013	5808.12028681924
2014	6028.17928304266
2015	6178.95589386664
2016	6228.22709829512
2017	6201.42881223625