Year	Percent of GDP
1991-01-01	39.352
1992-01-01	47.800
1993-01-01	58.599
1994-01-01	67.870
1995-01-01	74.248
1996-01-01	75.206
1997-01-01	76.704
1998-01-01	101.523
1999-01-01	102.992
2000-01-01	86.702
2001-01-01	93.148
2002-01-01	96.352
2003-01-01	81.564
2004-01-01	62.928
2005-01-01	37.342
2006-01-01	25.831
2007-01-01	17.115
2008-01-01	12.056
2009-01-01	13.989
2010-01-01	8.426
2011-01-01	5.383
2012-01-01	3.036
2013-01-01	2.148
2014-01-01	1.562
2015-01-01	5.800
2016-01-01	13.093
2017-01-01	17.206