Year	Number
2004-01-01	86.1193
2005-01-01	91.9844
2006-01-01	98.3382
2007-01-01	104.6921
2008-01-01	111.4370
2009-01-01	117.9863
2010-01-01	125.6109
2011-01-01	129.6188
2012-01-01	140.0782
2013-01-01	148.1916
2014-01-01	156.6960
2015-01-01	166.8622
2016-01-01	175.2688
2017-01-01	185.9238