Year % of GDP 1991 71.22759325884516 1992 75.47569118228908 1993 86.11350849267532 1994 83.31873999255612 1995 86.11386343453754 1996 75.00998623338934 1997 67.31687825992466 1998 64.16309275906178 1999 66.78556630409882 2000 61.21142427243604 2001 59.3656932078682 2002 59.014673687563956 2003 59.76332162067236 2004 63.007952748971476 2005 65.22712625458254 2006 68.38498790470105 2007 69.14049228227071 2008 72.6518520551822 2009 81.10916890214675 2010 81.2817151464614 2011 90.56254490034095 2012 94.14751320593072 2013 94.73319020556966 2014 98.67133091601762 2015 96.39735356395512 2016 96.77762376685001 2017 91.9872247713716 2018 86.5296515914666 2019 83.36830159264174 2020 95.93720224932156 2021 86.9236862466223 2022 75.52595347513619