Year % of GDP 1994 48.586126312762644 1995 49.57111602018504 1996 48.637095257101436 1997 49.47824220412966 1998 52.792602123248415 1999 49.99260097572042 2000 46.46405951135688 2001 49.25325801274718 2002 49.207390795202706 2003 48.3818505845354 2004 47.07282872937524 2005 43.94253297582959 2006 42.764793491615855 2007 43.602894280368915 2008 41.64069105373678 2009 48.219644619707736 2010 46.82378485666701 2011 44.13426322776732 2012 44.67883551688827 2013 45.746609098356316 2014 48.06888074327793 2015 55.22504495891872 2016 56.477782479814344 2017 54.83928225911679 2018 51.66746687775585 2019 53.601066325262124 2020 56.973381399761195 2021 52.39006512417771 2022 47.45174939732781