Year % of GDP 1985 74.63078179342054 1987 77.8784149322132 1988 78.84021986312018 1989 78.10441456235394 1990 73.1749187069744 1991 74.47242161005863 1992 68.22777509680913 1993 70.62706908167183 1994 69.39296320243524 1995 72.17034457809532 1996 67.32729654308332 1997 63.15595056863974 1998 59.19611537459982 1999 54.60221028689226 2000 53.70064706584883 2001 55.60667095249611 2002 62.293298354763415 2003 69.70721679885374 2004 74.1357186906019 2005 77.59286797576604 2006 79.81593179406491 2007 78.32918184653566 2008 80.47389417217647 2009 89.67396553481113 2010 93.52692335793058 2011 81.37914240145399 2012 85.70354737310294 2013 60.72887112004815 2014 59.650383925246246 2015 64.8574020514867 2016 65.65302049858045 2017 75.47630163442187 2018 67.57238415969952 2019 69.33198989389201 2020 80.26565861737328 2021 79.50700674225376 2022 72.02732496171515 2023 69.5283672655116