Year % of GDP 1994 5.199929031494121 1995 6.003113715297496 1996 6.849940628105669 1997 6.589235922141993 1998 5.512399969393392 2002 3.3860089487911686 2005 11.967766128102742 2006 13.261744770950099 2007 28.80865644245658 2008 14.41809107337101 2009 11.487645277091836 2010 13.971159580027644 2011 9.870497577118353 2013 16.42076008128301 2014 11.954014450538898 2015 11.592813138743278 2019 10.275392721278024 2020 12.94034175307287