Year Percent of GDP 2004-01-01 1.13244663365458 2005-01-01 1.31262935401608 2006-01-01 1.55905529324248 2007-01-01 1.57762908928470 2008-01-01 1.72788413605475 2009-01-01 1.73544027714624 2010-01-01 1.86411016794546 2011-01-01 1.89771276028882 2012-01-01 2.00176451384880 2013-01-01 2.14367364006430 2014-01-01 2.10021118211376