Year	Number
2004-01-01	96.5043
2005-01-01	104.6615
2006-01-01	119.9109
2007-01-01	113.5022
2008-01-01	135.4025
2009-01-01	118.8669
2010-01-01	109.9958
2011-01-01	112.1495
2012-01-01	114.5886
2013-01-01	127.6874
2014-01-01	140.4366
2015-01-01	162.5940
2016-01-01	170.4489
2017-01-01	149.1112