Year	Number
2004-01-01	69.1890
2005-01-01	69.3011
2006-01-01	73.1834
2007-01-01	81.2712
2008-01-01	92.8773
2009-01-01	80.1036
2010-01-01	91.2423
2011-01-01	120.1214
2012-01-01	118.5113
2013-01-01	133.5252
2014-01-01	146.3949
2015-01-01	146.7976