Year Percent of GDP 2004-01-01 9.12154898304060 2005-01-01 8.72118849121440 2006-01-01 8.87617935349746 2007-01-01 8.33124704884809 2008-01-01 9.15319796328718 2009-01-01 9.11931827353584 2010-01-01 9.91848643690238 2011-01-01 11.42514249394060 2012-01-01 11.34475486570520 2013-01-01 10.69569682674670 2014-01-01 9.81164504426184 2015-01-01 10.79675432059150 2016-01-01 11.89374453653140 2017-01-01 12.50304787748080 2018-01-01 12.93919596759000 2019-01-01 12.76992209446950