Year Percent of GDP 2004-01-01 74.2759938348872 2005-01-01 66.7249650031662 2006-01-01 73.1306593390355 2007-01-01 67.8702805941411 2008-01-01 56.8251796131189 2009-01-01 53.0239903419280 2010-01-01 47.0572164510250 2011-01-01 48.1355786848461 2012-01-01 29.0841027364751 2013-01-01 27.2042215800612 2014-01-01 24.5413870337992 2015-01-01 28.9169375937110 2016-01-01 26.8706100812926 2017-01-01 30.5609193224829 2018-01-01 33.4518761213473 2019-01-01 32.8195740513892