Year	Percent of GDP
2004-01-01	15.1139307501602
2005-01-01	14.1438655782413
2006-01-01	14.9126599966254
2007-01-01	15.3081757135866
2008-01-01	14.5380461172193
2009-01-01	13.7716627533685
2010-01-01	15.7282960961285
2011-01-01	16.5629378614370
2012-01-01	14.9139559342724
2013-01-01	15.5944226861361
2014-01-01	18.2305761511221
2015-01-01	16.4837744026902
2016-01-01	17.8584089776323
2017-01-01	19.0838790974528
2018-01-01	18.1164590515282
2019-01-01	18.2259909847129