Year Percent of GDP 2004-01-01 7.74200576694235 2005-01-01 8.48103647576991 2006-01-01 14.54230464266970 2007-01-01 18.39743604776690 2008-01-01 21.19646696449590 2009-01-01 12.30327902147580 2010-01-01 18.90220598118000 2011-01-01 23.17071254603220 2012-01-01 21.70832101187280 2013-01-01 18.48373724475330 2014-01-01 15.82966456847280 2015-01-01 10.53281672455590 2016-01-01 9.62876010140776 2017-01-01 10.80528334966430 2018-01-01 12.04962203718610 2019-01-01 12.04890767288790