Year	Number
2004-01-01	73
2005-01-01	71
2006-01-01	76
2007-01-01	90
2008-01-01	103
2009-01-01	104
2010-01-01	110
2011-01-01	107
2012-01-01	110
2013-01-01	113
2014-01-01	119
2015-01-01	112
2016-01-01	118