Year constant 2010 US$ 1976 2802.89239840165 1977 2760.83290788651 1978 2781.76419950124 1979 2754.37393621544 1980 2356.03197646823 1981 2317.72448865371 1982 2394.93225844388 1983 2479.98997606601 1984 2592.79129870825 1985 2757.36254536246 1986 3183.55962349455 1987 3701.79956332953 1988 3847.00875778334 1989 3956.84987098847 1990 4080.27161347735 1991 4345.82236111854 1992 4545.92436270345 1993 4613.43143726914 1994 4621.1290153051 1995 4827.15203990757 1996 5022.72960031842 1997 5028.42431690253 1998 5364.63501630836 1999 5391.86658203134 2000 5663.43200883659 2001 5956.56463580252 2002 6160.73030015005 2003 6142.03610453932 2004 6428.79540988552 2005 6257.15882753433 2006 6997.66569020292 2007 7558.87368694708 2008 7342.1773765738 2009 7108.38281572033 2010 7072.21945351844 2011 7649.39440057617 2012 7670.2568590084 2013 7716.3946835462 2014 7617.70427050103 2015 7895.84877745853 2016 8133.65078156592 2017 8430.00042379487