Year	Number
2004-01-01	75
2005-01-01	79
2006-01-01	91
2007-01-01	95
2008-01-01	103
2009-01-01	102
2010-01-01	104
2011-01-01	104
2012-01-01	91
2013-01-01	84
2014-01-01	78
2015-01-01	78
2016-01-01	68