Year	Percent
2005-01-01	1.5971899999999999
2006-01-01	1.5037200000000002
2007-01-01	1.2365800000000000
2008-01-01	0.8234130000000000
2009-01-01	0.8902410000000000
2010-01-01	0.9505070000000000
2011-01-01	0.9638950000000001
2012-01-01	1.1222200000000000
2013-01-01	1.5540500000000000
2014-01-01	2.2544299999999997
2015-01-01	2.4281800000000000
2016-01-01	2.2124500000000000