Year	Percent of GDP
2004-01-01	13.6665389424258
2005-01-01	16.0577808632715
2006-01-01	15.9946554242952
2007-01-01	18.0710797944352
2008-01-01	17.5922791304153
2009-01-01	18.0509312359199
2010-01-01	17.1587776878115
2011-01-01	20.3646790882115
2012-01-01	20.1425191074333
2013-01-01	19.1091203200317
2014-01-01	18.4156331183292
2015-01-01	20.1079336083869
2016-01-01	19.5420280035314
2017-01-01	18.4916193104523
2018-01-01	18.7425170488056
2019-01-01	19.0452308637199