Year constant 2010 US$ 1971 499.881047123689 1972 492.750388223596 1973 509.122131610462 1974 551.232395539426 1975 528.363507423539 1976 524.37175985346 1977 566.422744306088 1978 616.114179579301 1979 724.605783131567 1980 761.098940525042 1981 916.534098871833 1982 917.062951600216 1983 985.569949572229 1984 1055.01104733645 1985 1099.40577927395 1986 1104.43962018097 1987 1120.16895030448 1988 1109.48888627975 1989 1129.13107756459 1990 1062.39725133142 1991 1110.66589451786 1992 1140.74209955014 1993 1210.88460296307 1994 1258.71049488145 1995 1259.59923056987 1996 1317.19843062676 1997 1395.42356640671 1998 1487.68544233507 1999 1541.28569528296 2000 1591.73652234827 2001 1624.09812987661 2002 1681.38530113197 2003 1849.3953191018 2004 1863.32585644956 2005 1913.75275051122 2006 2014.32593724871 2007 2117.26051186508 2008 2140.58339477071 2009 2368.0836733082 2010 2597.12453308387 2011 2726.71558865959 2012 2960.9164106045 2013 3041.10878909578 2014 3204.52945444244 2015 3402.50123351618 2016 3545.08251225325 2017 3629.08095512694