Year	Percent of GDP
2000-01-01	21.5980
2001-01-01	25.2285
2002-01-01	21.3328
2003-01-01	20.0500
2004-01-01	17.7074
2005-01-01	15.7437
2006-01-01	15.6272
2007-01-01	17.6546
2008-01-01	21.9500
2009-01-01	34.9969
2010-01-01	32.2203
2011-01-01	31.1498
2012-01-01	29.1237
2013-01-01	30.3024
2014-01-01	33.1224
2015-01-01	32.3765
2016-01-01	32.3037
2017-01-01	32.0720
2018-01-01	30.9926
2019-01-01	30.0532