Year constant 2010 US$ 1970 6086.1572070501 1971 6314.01952039588 1972 6582.96962991939 1973 6863.52481430921 1974 6914.51777770039 1975 6986.76141906671 1976 7220.32747729749 1977 7366.15938153935 1978 7545.73313282056 1979 7771.4792451323 1980 7855.841739457 1981 7840.43192989386 1982 7859.30238168155 1983 7917.78821721774 1984 7993.07016417746 1985 8145.49960132525 1986 8420.72523185717 1987 8681.01551980198 1988 8955.81899454422 1989 9192.44688846978 1990 9418.20155233188 1991 9467.91419724189 1992 9576.36270605474 1993 9559.30910892851 1994 9684.53450717159 1995 9831.10952768237 1996 10027.4220286732 1997 10291.5617680009 1998 10578.2246141245 1999 10887.05435101 2000 11249.4813543538 2001 11488.1058333987 2002 11705.2188658831 2003 11939.467079676 2004 12277.2969260141 2005 12610.3075401369 2006 12949.2961817398 2007 13332.7256840264 2008 13457.1755121271 2009 13168.1286169451 2010 13331.7064341099 2011 13469.7592302842 2012 13485.7291722453 2013 13553.2133980816 2014 13665.998647704 2015 13754.624437378 2016 13969.3612483614 2017 14253.5758334656 2018 14446.2195366445