Year % of GDP 1995 50.465313028764804 1996 53.441295546558706 1997 49.85412107950401 1998 50.318685005031874 1999 51.9455252918288 2000 49.387203740591865 2001 49.556391247660294 2002 52.581940370760606 2003 54.005509762336835 2004 51.7617420772831 2005 52.90326673580419 2006 55.01219092625932 2007 56.688680815977044 2008 54.70018357190607 2009 57.24423521587998 2010 60.280026657929454 2011 62.41073258999595 2012 60.73761066285456 2013 58.775498166952055 2014 58.39586309690027 2015 55.333222465327346 2016 54.53635632885309 2017 55.13411019306839 2018 55.23525971246698 2019 53.937333017464894 2020 63.34734552095943 2021 59.072629858037416 2022 53.75437696196725