Year	Number
2007-01-01	681.5968
2008-01-01	1565.8963
2009-01-01	1369.6072
2010-01-01	1495.3488
2011-01-01	1697.1151
2012-01-01	1785.7703
2013-01-01	1608.6045
2014-01-01	1659.2623
2015-01-01	1402.2794
2016-01-01	1757.9931
2017-01-01	1358.7762
