Year Percent of GDP 2004-01-01 13.89236085317180 2005-01-01 16.80567017794540 2006-01-01 17.28474485145690 2007-01-01 18.24209205310660 2008-01-01 7.82732534908727 2009-01-01 12.43795530919590 2010-01-01 17.24117505665210 2011-01-01 12.44891255725730 2012-01-01 16.96863805668190 2013-01-01 26.51231562366890 2014-01-01 14.58161013316900 2015-01-01 15.18699460309820 2016-01-01 10.15387238265290 2017-01-01 8.14567672403944 2018-01-01 9.58790344965271 2019-01-01 12.54952465340730