Year	Percent of GDP
2004-01-01	14.4084218905335
2005-01-01	14.5364056575149
2006-01-01	15.9460528897266
2007-01-01	15.9509027010019
2008-01-01	14.8867471307240
2009-01-01	14.8601903962453
2010-01-01	16.6858238903131
2011-01-01	16.1715610145784
2012-01-01	17.7858764988557
2013-01-01	18.1012218874621
2014-01-01	18.3226943859955
2015-01-01	19.5107339086010
2016-01-01	18.7505521698817
2017-01-01	18.3159387521827
2018-01-01	20.4614493140128
2019-01-01	19.7373557891517