Year	Percent
2003-01-01	42.2633837813418
2004-01-01	42.2800718132855
2005-01-01	43.0604982206406
2006-01-01	42.7914110429448
2007-01-01	43.6740388245299
2008-01-01	43.2972376679619
2009-01-01	45.1301279947326
2010-01-01	45.2095191804530
2011-01-01	44.9910832786960
2012-01-01	46.0499689354290
2013-01-01	46.1629326041389