Year Percent of GDP 2005-01-01 62.5181811382239 2006-01-01 61.9390789808317 2007-01-01 69.0464559933683 2008-01-01 73.9136238794956 2009-01-01 87.4959583789087 2010-01-01 97.1910915020228 2011-01-01 100.1773966830440 2012-01-01 111.6533783650280 2013-01-01 122.1711798373980 2014-01-01 132.1048100187700 2015-01-01 145.7743228406580