Year	Number
2005-01-01	1359.3303
2006-01-01	1754.5428
2007-01-01	1879.5966
2008-01-01	1661.5899
2009-01-01	1722.5424
2010-01-01	1812.7113
2011-01-01	1871.6421
2012-01-01	2053.4769
2013-01-01	2069.7378
2014-01-01	2220.1805
2015-01-01	2234.0131
2016-01-01	2177.3340
2017-01-01	2067.3164