Year	Percent
2003-01-01	42.5738760202218
2004-01-01	42.3501726130682
2005-01-01	43.9998680961728
2006-01-01	42.9249122862471
2007-01-01	43.0793443842258
2008-01-01	43.3767610645376
2009-01-01	44.9885171450065
2010-01-01	45.1745175852766
2011-01-01	45.5565200525662
2012-01-01	45.9781010372281
2013-01-01	47.2753767124274
2014-01-01	49.9175465223828