Year	Percent
2003-01-01	46.6412802938545
2004-01-01	46.3762211008246
2005-01-01	46.1899506680648
2006-01-01	46.0037168632966
2007-01-01	46.2128324752654
2008-01-01	46.4438262752246
2009-01-01	45.4950796211221
2010-01-01	45.3690270848582
2011-01-01	45.2186999142549
2012-01-01	44.8542616953544
2013-01-01	44.4815455724105