Year	constant 2010 US$
1960	5642.76513813328
1961	5853.17190550128
1962	5711.17933827409
1963	5323.49430875299
1964	5772.64996675285
1965	6286.22934651492
1966	6151.92602594926
1967	6255.18402161641
1968	6460.78745199298
1969	6980.89917797887
1970	7084.18147848151
1971	7368.07758010525
1972	7368.50576960672
1973	7453.75355684331
1974	7740.85592849079
1975	7617.94315128736
1976	7350.8285666498
1977	7743.58231487359
1978	7285.43955621042
1979	7910.36662234598
1980	7908.02261816432
1981	7380.67498356137
1982	7210.34702077923
1983	7403.72720995174
1984	7399.88911933586
1985	6904.64504404204
1986	7214.27070267463
1987	7294.06425599089
1988	7104.18120080538
1989	6497.42554534223
1990	6245.70857662189
1991	6721.27823910953
1992	7157.32831119985
1993	7644.23569200433
1994	7988.64461361092
1995	7666.53000424516
1996	7994.24337081722
1997	8543.02853403286
1998	8772.06320960578
1999	8381.25399829498
2000	8224.11282651363
2001	7776.13787206685
2002	6854.29408086406
2003	7380.4670873289
2004	7962.41230916816
2005	8577.86499429459
2006	9174.50245831661
2007	9901.51188115634
2008	10201.4759370923
2009	9502.24358504659
2010	10385.9644319555
2011	10883.315359489
2012	10649.8372874572
2013	10784.6306992057
2014	10398.6940069464
2015	10568.1578087083
2016	10239.4813479933
2017	10404.2635134208
2018	10040.1307364003