Year	Percent
2005-01-01	95.3023427126032
2006-01-01	95.3302690641511
2007-01-01	95.2132935726434
2008-01-01	94.8462796130618
2009-01-01	94.5537625733707
2010-01-01	94.1383774513898
2011-01-01	94.1997332981310
2012-01-01	94.4569600028334
2013-01-01	94.2880367615829
2014-01-01	94.2188951758678
2015-01-01	94.2322818307345
2016-01-01	94.2185323708347
2017-01-01	94.2401355008284