Year	Number
2006-01-01	462.8001
2007-01-01	546.7228
2008-01-01	670.3100
2009-01-01	597.1080
2010-01-01	636.2000
2011-01-01	663.5503
2012-01-01	709.4496
2013-01-01	800.6225
2014-01-01	826.4765
2015-01-01	898.3036
2016-01-01	1207.9665
2017-01-01	1391.1144