Year	Percent of GDP
2002-01-01	33.2232
2003-01-01	32.3108
2004-01-01	31.3924
2005-01-01	30.3802
2006-01-01	33.5029
2007-01-01	35.4037
2008-01-01	39.2559
2009-01-01	36.0962
2010-01-01	36.9567
2011-01-01	39.3980
2012-01-01	40.6369
2013-01-01	35.6140
2014-01-01	34.9593
2015-01-01	34.2996
2016-01-01	32.1493
2017-01-01	31.6097
2018-01-01	31.7485
2019-01-01	31.5793