Year	Number
2004-01-01	402.4160
2005-01-01	513.6152
2006-01-01	566.9046
2007-01-01	567.5296
2008-01-01	675.5340
2009-01-01	708.6358
2010-01-01	712.1868
2011-01-01	1066.3747
2012-01-01	1240.7800
2013-01-01	1572.4866
2014-01-01	1443.6610
2015-01-01	1494.7407
2016-01-01	1807.7969