Year	Number
2004-01-01	88.5390
2005-01-01	91.1853
2006-01-01	91.6257
2007-01-01	86.7730
2008-01-01	86.6730
2009-01-01	86.2479
2010-01-01	88.4865
2011-01-01	90.6840
2012-01-01	90.6019
2013-01-01	93.1625
2014-01-01	86.6031
2015-01-01	85.8321
2016-01-01	86.7907