Year	Number
2009-01-01	530.5195
2010-01-01	579.3086
2011-01-01	594.6430
2012-01-01	564.3736
2013-01-01	559.4638
2014-01-01	555.2894
2015-01-01	643.0155
2016-01-01	655.5247