Year	Number
2004-01-01	383568
2005-01-01	407861
2006-01-01	433370
2007-01-01	444217
2008-01-01	362051
2009-01-01	333329
2010-01-01	327136
2011-01-01	332698
2012-01-01	350124
2013-01-01	364663
2014-01-01	369188