Year % of GDP 1994 24.40228561816119 1995 46.00843314600095 1996 44.31969583937266 1997 45.90098923996636 1998 47.877095515573046 1999 50.41106621632427 2000 45.98305367995955 2001 42.076948805242445 2002 41.573134683415034 2003 39.58670472949651 2004 39.53530766932271 2005 39.50471273060959 2006 38.58134861061273 2007 35.95569893084005 2008 42.02063848254955 2009 52.41925691315693 2010 55.31511530129431 2011 48.884890397322046 2012 44.354090334396176 2013 43.901877626085124 2014 44.687010946208375 2015 43.57140396473605 2016 42.65353596991903 2017 42.15654118102225 2018 42.42249489994323 2019 44.11216578769899 2020 49.48075750493014 2021 52.545625204468614 2022 48.126823614081026