Year	Number
2004-01-01	760
2005-01-01	792
2006-01-01	841
2007-01-01	810
2008-01-01	789
2009-01-01	728
2010-01-01	718
2011-01-01	701
2012-01-01	701
2013-01-01	702
2014-01-01	702
2015-01-01	883
2016-01-01	997