Year	Percent of GDP
2004-01-01	66.7007
2005-01-01	68.6882
2006-01-01	68.5500
2007-01-01	66.4870
2008-01-01	70.1506
2009-01-01	80.3756
2010-01-01	82.9640
2011-01-01	76.0417