Year	Percent of GDP
2000-01-01	42.210
2001-01-01	42.402
2002-01-01	35.547
2003-01-01	35.428
2004-01-01	34.393
2005-01-01	33.212
2006-01-01	31.355
2007-01-01	27.061
2008-01-01	26.506
2009-01-01	30.078
2010-01-01	34.675
2011-01-01	38.227
2012-01-01	41.000
2013-01-01	44.100
2014-01-01	46.985
2015-01-01	49.313
2016-01-01	51.566
2017-01-01	53.040