Year % of GDP 1960 101.95931185144728 1961 102.09557883976488 1962 104.4660907921338 1963 105.82806921175501 1964 106.47619047619048 1965 103.00595894945927 1966 104.15081994029363 1967 102.28814896638787 1968 105.66364710515953 1969 103.0802345431604 1970 103.52636181909045 1971 104.54128032704328 1972 104.66486892218731 1973 104.62596947710783 1974 110.93000742925325 1975 117.37835902461087 1976 110.75082778987561 1977 109.77965626865127 1978 114.03304059448504 1979 116.47878614916287 1980 112.33966576439025 1981 112.53670478062598 1982 109.41441040256501 1983 111.27819548872179 1984 111.39240506329114 1985 109.65147453083111 1986 108.39002267573696 1987 110.09708737864077 1988 117.85714285714286 1989 114.5454538961039 1990 112.21294498956158 1991 107.91111111111111 1992 102.51617541337168 1993 104.25257731958763 1994 105.4857142857143 1995 105.14705882352942 1996 105.44899738448126 1997 106.05490786009779 1998 109.49895615866387 1999 108.25747724317296 2000 106.61570126433402 2001 104.85085029272372 2002 104.35471100554237 2003 102.58682634730538 2004 101.35998351535133 2005 102.26555246053852 2006 101.61890885543143 2007 104.57841031149302 2008 105.59463986599664 2009 106.63980042218384 2010 105.23785844521795 2011 104.12077893662024 2012 107.91783603033377 2013 106.33734680713825 2014 108.43192488262912 2015 108.47825197430336 2016 109.55562117073892 2017 112.8039607210263 2018 109.94170845655995 2019 107.8359542530379 2020 107.18070409257874 2021 108.7346730500818 2022 106.80905323557539 2023 102.2382180908679