Year	Percent of GDP
2004-01-01	13.2084699233080
2005-01-01	14.3473107430102
2006-01-01	15.8803010519093
2007-01-01	22.8281687736971
2008-01-01	18.7680941577619
2009-01-01	19.8086677097209
2010-01-01	21.7495607905919
2011-01-01	28.1257137430126
2012-01-01	30.5761674704760
2013-01-01	37.9663363010105
2014-01-01	35.5988333014320
2015-01-01	40.1630196913395
2016-01-01	41.3981651569486
2017-01-01	39.6939227700216