Year	Number
2004-01-01	8133876
2005-01-01	8574401
2006-01-01	8791275
2007-01-01	8486138
2008-01-01	8633490
2009-01-01	8747950
2010-01-01	9139579
2011-01-01	9554406
2012-01-01	9734484
2013-01-01	10205034
2014-01-01	9669536
2015-01-01	9765350
2016-01-01	10055326