Year	Number
2005-01-01	66.8193
2006-01-01	71.1874
2007-01-01	76.8247
2008-01-01	80.4940
2009-01-01	80.2089
2010-01-01	78.4804
2011-01-01	74.6997
2012-01-01	72.9488
2013-01-01	62.1562
2014-01-01	59.4274
2015-01-01	58.6684
2016-01-01	59.4355
2017-01-01	61.7060