Year	Number
2007-01-01	466.7719
2008-01-01	514.1507
2009-01-01	568.8602
2010-01-01	606.9442
2011-01-01	710.0696
2012-01-01	861.8517
2013-01-01	1065.0016
2014-01-01	993.8174
2015-01-01	1249.3331
2016-01-01	912.6301
2017-01-01	980.1824
