Year % of GDP 1990 65.88180440610793 1991 60.73778302100822 1992 62.71976381609501 1993 63.69947793449725 1994 63.48918621847071 1995 69.4662707276693 1996 73.09816732088132 1997 72.82049874314218 1998 77.53224328990994 1999 72.28224589307483 2000 68.81497061445647 2001 69.16392512569064 2002 68.68718046384255 2003 68.51393514716732 2004 70.19444738469309 2005 71.119448068914 2006 68.75093723760993 2007 67.35593015686727 2008 63.889847001285204 2009 63.12481352223719 2010 64.47360652985927 2011 64.46561182472918 2012 64.6796144727716 2013 61.375541499255306 2014 61.02043666064463 2015 61.385212076846955 2016 62.089205872920736 2017 62.80329118736919 2018 63.37664872615709 2019 62.2733091519735 2020 61.104913335030034 2021 61.4765091753373 2022 63.14696576589897 2023 62.20771278565259