Year	Number
2004-01-01	90.2887
2005-01-01	88.6324
2006-01-01	89.5083
2007-01-01	92.3564
2008-01-01	95.2582
2009-01-01	94.2734
2010-01-01	90.2947
2011-01-01	88.2819
2012-01-01	84.7398
2013-01-01	85.0462
2014-01-01	99.4838
2015-01-01	92.3964
2016-01-01	90.2557
2017-01-01	90.3359