Year	Percent of GDP
2008-01-01	19.8460
2009-01-01	24.5426
2010-01-01	29.3676
2011-01-01	33.7529
2012-01-01	36.3667
2013-01-01	37.5956
2014-01-01	43.0686
2015-01-01	46.1487
2016-01-01	47.1789
2017-01-01	52.6238