Year	Number
2007-01-01	95.8500
2008-01-01	104.4656
2009-01-01	149.5862
2010-01-01	203.6934
2011-01-01	233.4931
2012-01-01	367.8317
2013-01-01	391.7410
2014-01-01	397.2515
2015-01-01	400.7856
2016-01-01	549.2343
2017-01-01	549.0082