Year	Percent
2000-01-01	10.79085761217240
2001-01-01	10.20120592645520
2002-01-01	8.44380477416242
2003-01-01	10.00685558604980
2004-01-01	10.37733241301010
2005-01-01	10.09932591026030
2006-01-01	9.99751106901474
2007-01-01	8.70120518331400
2008-01-01	9.25608733155661
2009-01-01	9.83506769714376
2010-01-01	9.69710077942643
2011-01-01	9.62819875143801
2012-01-01	8.98836420240726
2013-01-01	9.33524226267131
2014-01-01	10.02229706282880
2015-01-01	10.50654682802440
2016-01-01	10.65687907227260
2017-01-01	10.30059263879630