Year % of GDP 1993 32.667184152825826 1994 38.676072561561874 1995 46.58254651483003 1996 43.79756005806567 1997 45.31770888230981 1998 44.38132720770123 1999 53.6327018989646 2000 61.76329886386519 2001 61.59980449281816 2002 64.27080294755285 2003 66.5603418571615 2004 70.90552235924984 2005 72.74722280898386 2006 76.02120838250784 2007 72.94217881825885 2008 67.7770086774783 2009 55.91771187249373 2010 59.520935443850966 2011 59.50108761517796 2012 62.70767297038509 2013 67.65855087491323 2014 67.0087581377587 2015 66.14564323767243 2016 65.66850404632876 2017 64.10581574074162 2018 63.30288532079821 2019 62.465227248145126 2020 61.64037197669572 2021 62.356989425874346 2022 54.85188012357557 2023 40.38951118045285