Year	Number
2007-01-01	299.6779
2008-01-01	302.3688
2009-01-01	303.0371
2010-01-01	301.7093
2011-01-01	323.4401
2012-01-01	319.5531
2013-01-01	318.9878
2014-01-01	320.3437
2015-01-01	323.3025
2016-01-01	327.2684
2017-01-01	334.7224