Year	Number
2004-01-01	84.6154
2005-01-01	84.6154
2006-01-01	84.6154
2007-01-01	84.6154
2008-01-01	92.3077
2009-01-01	92.3077
2010-01-01	92.3077
2011-01-01	76.9231
2012-01-01	80.7692
2013-01-01	80.7692
2014-01-01	73.0769
2015-01-01	73.0769
2016-01-01	69.2308
2017-01-01	53.8462