Year	Number
2004-01-01	63.5883
2005-01-01	64.4982
2006-01-01	63.6626
2007-01-01	65.5483
2008-01-01	66.1096
2009-01-01	66.9046
2010-01-01	65.8276
2011-01-01	76.0816
2012-01-01	74.5159
2013-01-01	104.3620
2014-01-01	110.4925
2015-01-01	112.4353
2016-01-01	129.2422