Year % of GDP 1980 48.74120425217032 1981 52.580112385592 1982 54.888669359788366 1983 50.69561868532209 1984 43.60191497730301 1985 47.485004068892 1986 41.84104617623194 1987 42.24328893396304 1988 43.45299862046822 1989 44.368452368066215 1990 33.43596126950531 1991 34.29042618694882 1992 53.74211955464219 1993 52.34758480758867 1994 54.899728346569134 1995 55.49484324610845 1996 56.80402227464194 1997 62.39765228625869 1998 63.32636309681908 1999 61.89007969632132 2000 59.0127511593577 2001 61.87394766009602 2002 63.50715754690429 2003 63.838253601764386 2004 61.730373417833476 2005 59.9713379384999 2006 56.37157952996059 2007 55.83012732016201 2008 57.576667308621346 2009 57.30752275912897 2010 57.69553759396994 2011 57.42004430159254 2012 57.79176334634154 2013 59.61499123430806 2014 58.86365577355384 2015 57.67959734947543 2016 57.196061147245366 2017 56.63907876968022 2018 57.693290514625374 2019 57.65918247971407 2020 58.19538042559943 2021 59.27629643219385 2022 59.92455350724521 2023 56.83376504647265