Year % of GDP 1989 62.08008674607732 1990 65.75164905549723 1991 68.7428811841002 1992 70.26088968121647 1993 68.00482829386027 1994 66.9328441640614 1995 66.78712982881865 1996 66.99297959365248 1997 66.82811890873289 1998 66.45903493781773 1999 66.63270299048023 2000 66.6913347057564 2001 66.83022595182764 2002 65.93518822604358 2003 65.98982467671715 2004 64.52329953821805 2005 64.51697594281742 2006 63.29083767528846 2007 63.01428776632396 2008 63.149586595258214 2009 64.22184333240213 2010 63.24687743312539 2011 63.15707662020883 2012 63.97511993140549 2013 64.95371809597688 2014 66.3061792490952 2015 65.92875605401747 2016 65.88172830585415 2017 65.88045507450757 2018 66.02104160076108 2019 66.02534318444869 2020 64.76951529461327 2021 64.9040142474198 2022 66.5478622266898 2023 66.93814320746291