Year	Percent
2005-01-01	2.11354
2006-01-01	2.39462
2007-01-01	2.59071
2008-01-01	1.76635
2009-01-01	2.12744
2010-01-01	2.30491
2011-01-01	2.68033
2012-01-01	4.54868
2013-01-01	5.14579
2014-01-01	4.88326
2015-01-01	5.50270
2016-01-01	6.81195