Year % of GDP 1994 34.45963425966892 1995 31.854704028825925 1996 33.0118872213697 1997 29.753915205869436 1998 31.580496651407884 1999 25.654496685952427 2000 19.66865699347214 2001 18.62625313283208 2002 16.71726916747063 2003 15.405717754456417 2004 13.06704065378489 2005 14.295673418018273 2006 14.717680981539724 2007 12.403843502715818 2008 10.175817418722875 2009 15.633199058389938 2010 13.983899860007549 2011 11.03909966737953 2012 12.248373896908893 2013 14.55574074277331 2014 15.467153035671345 2015 20.227279470291982 2016 19.543730900118977 2017 17.61143003847197 2018 16.280988844408444 2019 18.46358930061106 2020 21.955352138351273 2021 16.64894479432613 2022 12.873402395461472