Year	Percent of GDP
1996-01-01	44.730
1997-01-01	40.920
1998-01-01	42.043
1999-01-01	43.820
2000-01-01	40.310
2001-01-01	39.256
2002-01-01	41.857
2003-01-01	44.225
2004-01-01	40.757
2005-01-01	38.524
2006-01-01	37.423
2007-01-01	37.205
2008-01-01	42.491
2009-01-01	43.675
2010-01-01	41.963
2011-01-01	42.859
2012-01-01	42.650
2013-01-01	45.899
2014-01-01	48.882
2015-01-01	52.834
2016-01-01	56.762
2017-01-01	54.332