Year constant 2010 US$ 1978 1973.28172087768 1979 1981.23276513889 1980 1943.58884879457 1981 1956.21895420686 1982 1933.6470864704 1983 1908.97880946165 1984 1889.4021533572 1985 1870.36843250725 1986 1844.51561642011 1987 1865.35084241491 1988 1871.41053871761 1989 1851.41822692277 1990 1912.21524394377 1991 1952.2311000946 1992 1992.78588153363 1993 2023.24424696767 1994 2033.89737366255 1995 2042.49694894476 1996 2111.75965037833 1997 2183.24664479656 1998 2228.72971634772 1999 2229.8868525351 2000 2283.68920294873 2001 2262.84099029832 2002 2254.34785884335 2003 2323.81390943416 2004 2434.51290980454 2005 2542.02450231969 2006 2673.57561798214 2007 2792.99579844103 2008 2837.71471422884 2009 2796.33269460772 2010 2917.66359951556 2011 3031.22830928659 2012 3100.15232660705 2013 3187.87968313919 2014 3280.0227543391 2015 3389.91466637541 2016 3506.83071899699 2017 3614.83329722622 2018 3712.21585809841