Year constant 2010 US$ 1971 1096.72732627051 1972 1127.63047668415 1973 1005.77549199322 1974 1026.69694260949 1975 1071.26004687882 1976 1128.5649266135 1977 1087.78085582852 1978 1031.5632367772 1979 1085.04483243537 1980 1014.3168156595 1981 1070.0860877531 1982 1013.07225127411 1983 913.98821002722 1984 969.55030971235 1985 1039.98398044204 1986 1080.38081999737 1987 1113.48459330777 1988 1025.00708970818 1989 982.157664402956 1990 971.186219124894 1991 972.308159590101 1992 964.733949221979 1993 937.170373326938 1994 807.553207171848 1995 863.507144619882 1996 840.782578379379 1997 874.883576135017 1998 881.599347301244 1999 947.421245423727 2000 969.152708905924 2001 979.554360918796 2002 985.586350551787 2003 1031.45544979012 2004 1043.65347430741 2005 1075.34068821707 2006 1063.57990462085 2007 1103.28990347923 2008 1075.96239051931 2009 1119.36284578596 2010 1134.64442499353 2011 1086.82061638027 2012 1080.02974771925 2013 1113.28300387522 2014 1183.50548482772 2015 1232.99813673444 2016 1286.11670160844 2017 1311.16482269462