Year	Percent of GDP
1997-01-01	24.5960028538352
1998-01-01	22.8147891213470
1999-01-01	22.2904325503326
2000-01-01	21.2617226610898
2001-01-01	24.6434525604551
2002-01-01	24.1094044172504
2003-01-01	21.0017834390630
2004-01-01	20.8654892499404
2005-01-01	18.4676974083641
2006-01-01	20.1265110017961
2007-01-01	19.6217561450500
2008-01-01	29.1866092687821
2009-01-01	30.8567593235917
2010-01-01	33.2975277226447
2011-01-01	35.0335565710568
2012-01-01	33.9491605451962
2013-01-01	31.0985349675828
2014-01-01	28.3993965483816
2015-01-01	27.5130307948151
2016-01-01	21.5618919604391
2017-01-01	19.6566594752132