Year Percent of GDP 2004-01-01 32.4524334069015 2005-01-01 42.6177710567209 2006-01-01 44.0705453651890 2007-01-01 47.0911865951385 2008-01-01 48.4892730095489 2009-01-01 25.8408978998453 2010-01-01 40.4871199329577 2011-01-01 42.1164171389214 2012-01-01 36.9974717018490 2013-01-01 30.6507131650380 2014-01-01 20.9931763908076 2015-01-01 10.7480860026514 2016-01-01 13.8917987917851 2017-01-01 15.4281047419123 2018-01-01 18.9109134580298 2019-01-01 20.7927132976218