Year constant 2010 US$ 1960 504.328097247819 1961 494.912560707199 1962 517.815957971985 1963 502.110758950763 1964 519.687106816125 1965 542.789452758243 1966 566.632409114482 1967 577.119940616848 1968 504.3871971319 1969 501.9509211959 1970 438.443433773509 1971 613.157493182143 1972 668.989592414324 1973 602.494102230218 1974 667.360808384302 1975 630.258868579474 1976 575.685343686512 1977 601.480226762423 1978 662.481192808199 1979 663.20841630483 1980 654.08447351934 1981 605.749808086715 1982 601.192604828153 1983 559.66501859558 1984 581.509714215879 1985 521.928535265107 1986 598.712586981648 1987 627.531247061126 1988 657.10356767032 1989 672.391996581667 1990 648.130015289527 1991 642.127728971565 1992 615.38998332803 1993 587.108588428316 1994 579.745656910383 1995 641.450148792972 1996 639.21722607063 1997 645.002143267588 1998 655.913194893794 1999 664.174511950489 2000 643.709480852867 2001 652.367030165461 2002 640.264418606994 2003 636.874717796543 2004 634.778619520952 2005 657.564953722421 2006 703.164905990319 2007 720.185784266819 2008 689.888485267986 2009 701.969758456691 2010 734.272918827242 2011 759.63298705747 2012 782.251918500294 2013 825.533302519981 2014 839.020140934987 2015 860.613925994056 2016 879.837107579376 2017 924.412880432137 2018 956.051562763705