Year % of GDP 1977 64.34061794666948 1978 60.007436644884336 1979 63.5731873985641 1980 60.41453911918888 1981 63.120439938513975 1982 59.791642866271054 1983 57.66157187619889 1984 50.84746552067847 1985 54.85056181935551 1986 61.30406347360737 1987 56.27656490287001 1988 52.88598308243372 1989 47.50724576938001 1990 47.46515180205232 1991 47.8790433501144 1992 40.94654952777129 1993 44.54311566780782 1994 43.67728071675398 1995 42.66853475905267 1996 46.87779642862659 1997 49.97570153438247 1998 52.701975024164426 1999 49.37663344949572 2000 55.18759866501421 2001 48.996608523787344 2002 43.86152206678728 2003 50.08304247213707 2004 44.23164349703348 2005 51.18210862619809 2006 46.37178915911535 2007 52.45928657030059 2008 47.7011417199665 2009 40.32281300241448 2010 44.48682352263012 2011 47.13252186817735 2012 47.00696399466588 2013 48.06445515962147 2014 41.36056301401034 2015 40.621563790900176 2016 35.88784655477371 2017 39.9756526888973 2018 42.691270927327054 2019 42.3573362308136 2020 40.25259032872949 2021 42.92839330245814 2022 51.119660291075384 2023 49.60865077529539