Year	Percent
2000-01-01	81.2500
2001-01-01	45.5696
2002-01-01	44.2105
2003-01-01	37.9630
2004-01-01	39.1304
2005-01-01	41.8919
2006-01-01	48.7805
2007-01-01	48.0519
2008-01-01	53.5912
2009-01-01	53.5354
2010-01-01	47.6190
2011-01-01	54.1284
2012-01-01	55.8559
2013-01-01	59.1667
2014-01-01	56.9106