Year	Number
2004-01-01	102
2005-01-01	100
2006-01-01	100
2007-01-01	98
2008-01-01	97
2009-01-01	95
2010-01-01	94
2011-01-01	91
2012-01-01	90
2013-01-01	89
2014-01-01	86
2015-01-01	86
2016-01-01	84