Year	Percent
2002-01-01	41.322300000000000
2003-01-01	46.788999999999994
2004-01-01	50.008100000000000
2005-01-01	47.734200000000000
2006-01-01	45.432200000000000
2007-01-01	44.502300000000000
2008-01-01	46.119500000000000
2009-01-01	47.045000000000000
2010-01-01	46.508900000000000
2011-01-01	47.647000000000000
2012-01-01	44.976000000000006
2013-01-01	41.959200000000000
2014-01-01	39.777800000000000