Year	Percent
2004-01-01	4.8621500000000000
2005-01-01	5.5366400000000000
2006-01-01	6.1653400000000005
2007-01-01	6.9641699999999990
2008-01-01	6.6141000000000000
2009-01-01	7.2342900000000000
2010-01-01	19.4464000000000000
2011-01-01	16.2434000000000000
2012-01-01	20.4625000000000000
2013-01-01	24.6225000000000000
2014-01-01	4.9563800000000000
2015-01-01	5.0760200000000000
2016-01-01	4.0542700000000000