Year	Number
2007-01-01	696.3665
2008-01-01	720.5489
2009-01-01	755.3437
2010-01-01	931.5254
2011-01-01	1034.8863
2012-01-01	1165.9239
2013-01-01	1285.5283
2014-01-01	1371.4649
2015-01-01	1414.4357
2016-01-01	1455.3899
2017-01-01	1496.3400