Year % of GDP 1995 56.22396779021209 1996 56.34654379499015 1997 58.94294863491738 1998 61.01590021051616 1999 62.455111719666355 2000 60.02287670163253 2001 61.37724484950886 2002 61.60083535833273 2003 61.23847527831244 2004 60.74236498259409 2005 59.7813940081589 2006 58.49214637765912 2007 59.1682880915458 2008 58.088799927538226 2009 61.71948877313965 2010 60.69683136804777 2011 58.98853546725489 2012 59.26350830404504 2013 59.90526175322144 2014 60.795707599809454 2015 62.99157982530783 2016 63.717805397449645 2017 63.18260986782924 2018 62.660198962453016 2019 62.81974243646032 2020 63.289920578098034 2021 61.73041802499461 2022 59.45434383500845 2023 61.16755955699888