Year % of GDP 1960 101.23073619631901 1961 100.15372881355933 1962 99.87684210526315 1963 99.59367924528301 1964 100.01123505976095 1965 99.6825641025641 1966 99.18236842105263 1967 99.98409638554216 1968 100.33367847411445 1969 99.52497536945812 1970 101.96554054054054 1971 101.0811224489796 1972 100.72132743362832 1973 101.03706222865412 1974 102.12920000000001 1975 102.73016363636364 1976 101.37509846827133 1977 99.91731206057328 1978 100.58582370560546 1979 101.24635593220339 1980 96.89055082246425 1981 97.14637941875324 1982 89.38525626763808 1983 86.19377530288077 1984 87.85769459691862 1985 89.69577542367034 1986 92.44397948733997 1987 89.25706395478123 1988 99.44217880028678 1989 100.77724852283578 1990 101.66814119802127 1991 103.3384530394129 1992 105.16437670107459 1993 102.27542536138164 1994 103.55189706823296 1995 96.15252418798953 1996 96.25059664119821 1997 97.87816930787693 1998 98.90455478227828 1999 98.68554848056648 2000 100.3111311566173 2001 98.88613654948757 2002 99.90576291416464 2003 102.02839981410877 2004 101.98123683151444 2005 102.82511954802933 2006 101.73052662382489 2007 102.34277195126229 2008 104.65525247287155 2009 103.76192142808858 2010 105.14839989910176 2011 105.48250098721125 2012 104.98941373270989 2013 105.14134314009502 2014 104.85557608804024 2015 104.78663001263698 2016 104.84764819370926 2017 103.3437187683292 2018 102.12480078957624 2019 100.83024817155793 2020 98.51683100710133 2021 101.20418119970198 2022 104.3089599147512 2023 106.13889936402963