Year	Percent of GDP
1990-01-01	15.6434631389713
1991-01-01	16.9041355534883
1992-01-01	16.2050134869242
1993-01-01	14.8399087513776
1994-01-01	15.1081540963909
1995-01-01	16.6452408854218
1996-01-01	15.7818278916635
1997-01-01	15.4224812802634
1998-01-01	24.4164349983536
1999-01-01	14.3968361792129
2000-01-01	18.4395429011463
2001-01-01	17.9112826844771
2002-01-01	14.3294568883954
2003-01-01	12.9188420446828
2004-01-01	16.4383067567900
2005-01-01	18.3598751240987
2006-01-01	15.2883479488919
2007-01-01	15.7940323481025
2008-01-01	22.2286167388913
2009-01-01	16.9345185514714
2010-01-01	17.9392920209719
2011-01-01	19.7401951564528
2012-01-01	20.8989727412999
2013-01-01	20.3860027689301
2014-01-01	19.8468999683532
2015-01-01	16.6434905029398
2016-01-01	14.5577039877016
2017-01-01	15.4640639228958