Year	Number
2004-01-01	588
2005-01-01	599
2006-01-01	610
2007-01-01	623
2008-01-01	644
2009-01-01	667
2010-01-01	680
2011-01-01	721
2012-01-01	722
2013-01-01	815
2014-01-01	823
2015-01-01	910
2016-01-01	926