Year	Number
2007-01-01	852.1548
2008-01-01	888.8563
2009-01-01	909.4329
2010-01-01	911.3535
2011-01-01	1234.0231
2012-01-01	1237.2524
2013-01-01	1234.3514
2014-01-01	1216.7409
2015-01-01	1202.1600
2016-01-01	1206.4335
2017-01-01	1199.4610