Year	constant 2010 US$
1960	1456.6345495887
1961	1540.6554570278
1962	1581.20806073998
1963	1479.58109826024
1964	1496.86040573752
1965	1511.5430616159
1966	1491.55775247199
1967	1482.21317214791
1968	1551.7843073941
1969	1622.63735280687
1970	1677.21609918308
1971	1755.63097589225
1972	1851.8478354842
1973	1946.00827939179
1974	2038.36797362932
1975	2132.23184814889
1976	2089.61863097366
1977	1847.81537840374
1978	1908.94598930022
1979	2036.14489419349
1980	2326.45237935602
1981	2657.59564292004
1982	3190.19909551997
1983	3280.2471972495
1984	3409.70944447935
1985	3275.27611029196
1986	2966.71136930454
1987	2891.61905796061
1988	2863.37916407211
1989	2858.7770298481
1990	2809.48066039158
1991	2798.90817268172
1992	2793.98733677207
1993	2691.04710720808
1994	2473.20742136115
1995	2500.35111800389
1996	2534.36160114499
1997	2446.96597227145
1998	2465.8668196239
1999	2333.57997970308
2000	2438.94893688507
2001	2460.47473143699
2002	2501.34468886551
2003	2450.23531886517
2004	2460.63530511731
2005	2569.27977140538
2006	2640.31829359286
2007	2510.7351825041
2008	2561.1937760907
2009	2663.57661802254
2010	2809.69495708158
2011	2825.72712108892
2012	2858.08610991045
2013	2884.43628073502
2014	3005.73691203916
2015	3009.60068643053
2016	2851.97541856545
2017	2693.42849963747
2018	2651.70071944626