Year	Percent
2003-01-01	25.35020
2004-01-01	47.12990
2005-01-01	33.51850
2006-01-01	37.12820
2007-01-01	34.54110
2008-01-01	28.19660
2009-01-01	25.68920
2010-01-01	25.53240
2011-01-01	17.95770
2012-01-01	17.24090
2013-01-01	9.18910
2014-01-01	13.19360
2015-01-01	-4.02589
2016-01-01	4.17686