Year	constant 2010 US$
1960	5787.55839528476
1961	6016.21816005006
1962	5860.92521542779
1963	5462.70842042578
1964	5933.26096672316
1965	6455.68018741928
1966	6405.16686867781
1967	6284.94832229592
1968	6374.20307796352
1969	6941.32013034724
1970	6832.95630823579
1971	7449.95012519595
1972	7266.85381871782
1973	7487.45954167524
1974	7775.296195403
1975	7726.92139846614
1976	7361.71546463727
1977	7693.83570739346
1978	7249.24877520982
1979	7850.36857795092
1980	7847.69712937102
1981	7217.25225270869
1982	6805.43590085523
1983	7011.25880394807
1984	7041.43991125078
1985	6563.09669918171
1986	6916.94833808511
1987	6986.53913451306
1988	6824.08205357974
1989	5990.32382134228
1990	6000.13534934655
1991	6532.4356068702
1992	7034.02791076741
1993	7559.99280550329
1994	7887.48033826166
1995	7541.94072403653
1996	7846.88606439452
1997	8377.17764076078
1998	8572.42263082682
1999	8179.12707968257
2000	8022.33507682495
2001	7569.08878407905
2002	6498.83292023358
2003	7085.42902382028
2004	7086.01714195702
2005	7621.05498928625
2006	8883.21306354834
2007	9651.70941078626
2008	9954.18525619816
2009	9215.50391580885
2010	10032.0664005739
2011	10565.7227938749
2012	10395.0243155857
2013	10552.9547242833
2014	10187.7887058311
2015	10373.5146865616
2016	10015.8138499348
2017	10132.8689346064
2018	9665.7417928881