Year	Percent of GDP
2004-01-01	18.7743104417895
2005-01-01	15.4971016492934
2006-01-01	18.0615885777226
2007-01-01	18.4836663109688
2008-01-01	19.1017435740992
2009-01-01	17.8373653139574
2010-01-01	18.4296329469513
2011-01-01	19.1220233953033
2012-01-01	19.5769145923580
2013-01-01	20.5128218466272
2014-01-01	20.9270420154935
2015-01-01	25.7726352192186
2016-01-01	20.6235612158158
2017-01-01	22.1021468900219
2018-01-01	23.0469354422322
2019-01-01	23.0972210506358