Year	Number
2005-01-01	17.7544
2006-01-01	16.7815
2007-01-01	4.8642
2008-01-01	6.9720
2009-01-01	12.0794
2010-01-01	44.7102
2011-01-01	42.3186
2012-01-01	42.6024
2013-01-01	42.6834
2014-01-01	45.8452
2015-01-01	46.2100
2016-01-01	42.1159
2017-01-01	41.8727