Year constant 2010 US$ 1960 10867.7036593658 1961 11681.3054735024 1962 12322.3145145879 1963 12918.9674512779 1964 13171.6020855406 1965 13487.9900459147 1966 14184.5318751764 1967 15093.1472567058 1968 15979.6575383342 1969 16858.4075907419 1970 17653.0152595722 1971 17890.3212930414 1972 18445.545571081 1973 19626.3936040595 1974 20570.8183835409 1975 20020.9225719472 1976 21340.7658036232 1977 21794.4336629366 1978 22420.5738807156 1979 23688.0591465442 1980 24450.1443050625 1981 24626.9756754019 1982 24710.5165239465 1983 24990.3609392227 1984 25790.7479813438 1985 26504.734260523 1986 27261.2766251823 1987 28128.5751368512 1988 29294.2351298169 1989 30264.1268256979 1990 30839.278333373 1991 31292.0530946068 1992 31531.6900203869 1993 31243.6790226551 1994 31909.2367105491 1995 32829.8827518868 1996 33242.8522991256 1997 33835.0731328908 1998 34371.9820181408 1999 34902.2621269685 2000 36180.7783332899 2001 36801.2938105496 2002 36837.8639859992 2003 36729.9755411316 2004 37070.3305155452 2005 37238.9365291342 2006 37872.1683558927 2007 38236.7956108395 2008 37585.3373525671 2009 35363.4004619474 2010 35849.3731979401 2011 35994.1335816766 2012 34885.2968955209 2013 33887.2981674565 2014 33615.9717818679 2015 33959.2937236277 2016 34397.6509928518 2017 35029.4264231408 2018 35391.7054815431