Year Percent of GDP 2004-01-01 0.0437 2005-01-01 0.0454 2006-01-01 0.0353 2007-01-01 0.0367 2008-01-01 0.0325 2009-01-01 0.0376 2010-01-01 0.0334 2011-01-01 0.0665 2012-01-01 0.0703 2013-01-01 0.0642 2014-01-01 0.0910 2015-01-01 0.0664 2016-01-01 0.1698