Year	Number
2007-01-01	278.4848
2008-01-01	327.7109
2009-01-01	372.8561
2010-01-01	412.0449
2011-01-01	462.9495
2012-01-01	732.4999
2013-01-01	752.6057
2014-01-01	702.3356
2015-01-01	896.6696
2016-01-01	761.0093
2017-01-01	807.9605