Year Percent of GDP 2004-01-01 35.2813225753422 2005-01-01 38.0627367336576 2006-01-01 40.9263241322521 2007-01-01 38.7443160522333 2008-01-01 39.8856497570999 2009-01-01 39.7266792182561 2010-01-01 45.1964568995568 2011-01-01 58.0162779837151 2012-01-01 81.7041869398416 2013-01-01 81.2221575803405 2014-01-01 72.6007767042363 2015-01-01 71.6667954702399 2016-01-01 72.2637065204167 2017-01-01 65.3489624164800 2018-01-01 58.2576913561778 2019-01-01 83.5561123883169