Year % of GDP 1990 84.49403933820047 1991 84.20050057677663 1992 81.48465735731394 1993 84.16383053055989 1994 85.80846168661884 1995 84.81552440344198 1996 80.56974794973809 1997 79.83964297968751 1998 82.99547117185968 1999 81.42949752924808 2000 79.09774223564618 2001 78.04584208566654 2002 75.83381722060484 2003 73.8017843081766 2004 71.65289128606709 2005 69.48592553940931 2006 67.22419019477812 2007 65.6860154528372 2008 64.69354168428522 2009 69.29232407418382 2010 65.69467887486773 2011 65.01989046000585 2012 67.35197568174799 2013 67.54174391183746 2014 69.00276465694873 2015 72.89312898509748 2016 72.22398573645611 2017 70.88360683854475 2018 71.37170157034835 2019 70.28964775504103 2020 70.40926161687385 2021 71.43035915333994 2022 72.37474988436698 2023 72.93157471834833