Year % of GDP 1991 46.27385418893669 1992 48.59295822224365 1993 49.83251332077446 1994 51.07003318321406 1995 51.37147810391214 1996 44.65626929256744 1997 44.90461434130793 1998 45.16389643122838 1999 42.55059925703024 2000 45.384393279937825 2001 47.029819636985835 2002 50.0444497396591 2003 47.41117474625933 2004 46.78024681207277 2005 47.83018915358128 2006 46.0372364063382 2007 47.06612775755502 2008 46.62886847001524 2009 46.07592283211607 2010 46.49809802435792 2011 47.04992173113347 2012 47.60273132501615 2013 48.17747921957944 2014 47.44398177279185 2015 46.62307202718256 2016 44.72817006210359 2017 40.53979243224164 2018 39.394304898608674 2019 40.452977722842185 2020 40.48765111904311 2021 39.03402134747784 2022 40.561833370198336