Year	Percent of GDP
1990-01-01	18.5721065747444
1991-01-01	18.9361149136998
1992-01-01	20.2235813069523
1993-01-01	19.4175057380132
1994-01-01	18.7844947036568
1995-01-01	18.6626893194143
1996-01-01	18.2307200402417
1997-01-01	20.4303667621107
1998-01-01	43.5457479698875
1999-01-01	28.6998996068733
2000-01-01	34.3557826498613
2001-01-01	32.2206787033694
2002-01-01	26.6596805275585
2003-01-01	23.8170942978182
2004-01-01	25.3973137832845
2005-01-01	27.4078251823337
2006-01-01	25.2396927747345
2007-01-01	24.0942096498491
2008-01-01	24.4247093704766
2009-01-01	19.8149832195162
2010-01-01	20.8606438652371
2011-01-01	22.6348022534485
2012-01-01	20.7998440633284
2013-01-01	19.9293145350732
2014-01-01	19.7465911030356
2015-01-01	17.4632794632424
2016-01-01	15.5885577513804
2017-01-01	16.5878758110377