Year	Number
2004-01-01	107.5342
2005-01-01	115.8574
2006-01-01	134.4750
2007-01-01	127.0631
2008-01-01	149.5305
2009-01-01	132.9600
2010-01-01	121.9564
2011-01-01	123.3763
2012-01-01	125.6464
2013-01-01	139.9715
2014-01-01	154.6028
2015-01-01	177.9407
2016-01-01	186.6134
2017-01-01	165.5515