Year Percent of GDP 2004-01-01 192.5183163364160 2005-01-01 175.0738787382260 2006-01-01 172.9660043521400 2007-01-01 147.9859342020310 2008-01-01 119.7520919780440 2009-01-01 128.6823923891140 2010-01-01 38.6936271648911 2011-01-01 24.4961797058890 2012-01-01 27.2619950879661 2013-01-01 25.6656103129091 2014-01-01 22.7597138974954 2015-01-01 23.1306764358059 2016-01-01 22.8449308534221 2017-01-01 20.8931823412184 2018-01-01 19.9278666857237 2019-01-01 20.0266837223917