Year % GDP 1993 61.594190962044216 1994 65.74792810762591 1995 65.0323935385822 1996 63.35994708228213 1997 64.5620804211415 1998 56.79050682919229 1999 51.468666208311376 2000 44.93692926548293 2001 37.11072665701482 2002 23.66496691542344 2003 24.334077575960208 2004 25.679696103574717 2005 29.224211947829332 2006 33.84078931009003 2007 38.68201152833775 2008 43.22704718936594 2009 44.97643084019502 2010 46.330759578949475 2011 48.322893083587886 2012 49.4085468212571 2013 50.607908494980826 2014 49.45672945680922 2015 49.54198337952055 2016 51.058804350250675 2017 50.90670769396935 2018 51.327918568201405 2019 50.27132876502763 2020 53.068216511409524 2021 53.731593720907355 2022 50.52039697398251 2023 49.767626338413876