Year % of GDP 1994 44.87575807843361 1995 44.33866814311887 1996 43.72574216781119 1997 48.28080961200863 1998 51.09563093807397 1999 60.040788277803635 2000 67.28335859913993 2001 65.89285714285714 2002 60.342772827875834 2003 61.69758238679477 2004 64.16822494632592 2005 65.08504482050206 2006 62.81773016682385 2007 60.277371860266335 2008 61.36235262153138 2009 51.13487609063277 2010 62.319682599281855 2011 72.61970914154128 2012 76.47241907598635 2013 72.71783502429628 2014 67.99811813200164 2015 57.06147776658399 2016 47.7138414909054 2017 52.889422628416995 2018 55.94186317161432 2019 52.18885992628627 2020 49.118878259957995 2021 58.726017033686375 2022 68.58064226104665