Year % of GDP 1993 55.1193132615846 1994 54.377258348264746 1995 53.64075517579371 1996 53.85529784392028 1997 54.370497907781015 1998 53.62904555154435 1999 54.728104945774646 2000 54.83074349779676 2001 55.0997090552462 2002 54.413390372744765 2003 52.64047014999914 2004 52.806587365884795 2005 52.30043400599206 2006 51.451150649878755 2007 51.22094342177501 2008 50.44795320950632 2009 51.60436735214083 2010 49.55609866447943 2011 50.42680995136954 2012 51.15220570896233 2013 51.779196197212606 2014 53.14803801938338 2015 54.94809902586536 2016 55.935157632068396 2017 56.57482788702757 2018 57.05569107054069 2019 58.27752144657874 2020 58.00642488540696 2021 56.2584584928256 2022 56.12326839400242 2023 58.542170108686285