Year	constant 2010 US$
1960	2980.57500239882
1961	3237.91451768734
1962	3426.00575775504
1963	3580.71972501074
1964	3808.97886638804
1965	4349.03619107984
1966	4711.46441278777
1967	5120.966390539
1968	5723.82459527617
1969	6483.10877700656
1970	7014.97363757137
1971	7816.10076082952
1972	8706.81221638347
1973	9198.42478071495
1974	9524.59700095361
1975	9026.29929030895
1976	10266.8587367966
1977	9546.9635755197
1978	7941.23443817147
1979	6862.7205249368
1980	4791.81154291981
1981	4368.62784708509
1982	5335.77750791065
1983	5558.01123361547
1984	4865.04001940226
1985	4773.0022040545
1986	4119.41280068435
1987	3989.53368312833
1988	3640.3148902719
1989	3736.66671333505
1990	4137.05725666456
1991	4543.54192460347
1992	4584.79587914623
1993	4559.30324198761
1994	4426.14290505715
1995	4464.39657529347
1996	4631.11540933234
1997	4591.42505631842
1998	4630.14445159307
1999	4610.00992576118
2000	4818.90052062682
2001	4796.07568723359
2002	5080.64134626953
2003	5456.44531850896
2004	5626.71974996258
2005	5738.69744748755
2006	5957.94575920198
2007	6373.24958375621
2008	6319.77051631988
2009	6313.03687802174
2010	6603.21226914401
2011	6698.68496154763
2012	6125.7266203219
2013	6038.5298354295
2014	6236.28941082747
2015	6073.45370087772
2016	6794.29321463849
2017	6952.44358365352