Year	Percent of GDP
1998-01-01	69.2083741151385
1999-01-01	65.1079171798516
2000-01-01	62.4341003659095
2001-01-01	60.8086783508760
2002-01-01	61.5053472056539
2003-01-01	61.2855891365878
2004-01-01	61.8510763217162
2005-01-01	62.5625555056911
2006-01-01	59.2348190931141
2007-01-01	56.1870958316004
2008-01-01	60.7509908622532
2009-01-01	68.7348619460453
2010-01-01	72.4147087270447
2011-01-01	73.7415035744239
2012-01-01	83.2992877854101
2013-01-01	85.6411602077237
2014-01-01	92.8023898468348
2015-01-01	91.5287599043743
