Year	Percent of GDP
2000-01-01	51.567
2001-01-01	76.075
2002-01-01	72.058
2003-01-01	65.738
2004-01-01	57.736
2005-01-01	50.764
2006-01-01	44.681
2007-01-01	38.168
2008-01-01	38.150
2009-01-01	43.857
2010-01-01	40.083
2011-01-01	36.479
2012-01-01	32.724
2013-01-01	31.382
2014-01-01	28.769
2015-01-01	27.643
2016-01-01	28.311
2017-01-01	28.261