Year % of GDP 1970 105.969890380202 1971 117.327586371128 1972 126.57063036777 1973 125.366842623993 1974 119.954549046701 1975 123.24323278834 1976 123.877453731257 1977 121.843474745811 1978 121.110402009136 1979 122.549028727429 1980 124.506445159423 1981 127.487155696374 1982 132.560903355012 1983 136.967063460906 1984 139.731267494954 1985 143.293694125624 1986 148.983097386027 1987 164.598028788581 1988 173.485377848245 1989 181.906930654757 1990 186.987678819914 1991 186.656842054711 1992 190.373634464532 1993 193.807386276015 1994 195.586907517692 1995 193.561899759113 1996 193.503610505672 1997 206.582688401006 1998 214.583817181593 1999 217.760887337074 2000 208.815005555476 2001 180.201537127819 2002 177.918035565601 2003 177.536325650048 2004 170.771866840423 2005 168.903408651315 2006 166.642350414877 2007 160.167886282809 2008 158.4960738792 2009 165.595839805519 2010 158.614077960859 2011 157.840353049328 2012 158.243663465905 2013 161.520194786481 2014 162.521149320273 2015 161.780305754878 2016 162.351703251828 2017 167.627763423635 2018 167.347148492329 2019 175.363785752131 2020 193.486816243251 2021 193.735307328609 2022 194.945794260279 2023 193.543164820379