Year	Number
2008-01-01	244.6363
2009-01-01	242.3968
2010-01-01	235.4169
2011-01-01	228.3278
2012-01-01	230.2130
2013-01-01	221.8405
2014-01-01	212.9843
2015-01-01	215.2993
2016-01-01	208.4108
2017-01-01	208.7455