Year	Percent of GDP
2004-01-01	25.4760273650852
2005-01-01	20.4135107934644
2006-01-01	17.8868499397315
2007-01-01	14.9934193211650
2008-01-01	25.8745917618440
2009-01-01	29.0572377771921
2010-01-01	27.9945383766436
2011-01-01	27.9501714484612
2012-01-01	27.8793666207585
2013-01-01	28.3178763340308
2014-01-01	29.3180919939246
2015-01-01	27.6844586053266
2016-01-01	28.3698994709449
2017-01-01	28.1261797418547
2018-01-01	29.0839194447316
2019-01-01	29.5976034833296