Year	Percent of GDP
2010-01-01	18.9471
2011-01-01	18.3294
2012-01-01	18.6523
2013-01-01	18.5502
2014-01-01	18.5396
2015-01-01	18.3981
2016-01-01	21.6746
2017-01-01	22.8588