Year	Percent
2001-01-01	11.0361
2002-01-01	10.7232
2003-01-01	12.0903
2004-01-01	12.5066
2005-01-01	12.0428
2006-01-01	10.8494
2007-01-01	11.7513
2008-01-01	11.3938
2009-01-01	11.9875
2010-01-01	14.1805
2011-01-01	15.9726
2012-01-01	22.6054
2013-01-01	24.8142
2014-01-01	26.1546
2015-01-01	29.2406
2016-01-01	30.8483