Year	Number
2004-01-01	296.0000
2005-01-01	311.0000
2006-01-01	316.0000
2007-01-01	323.0000
2008-01-01	318.0000
2009-01-01	310.0000
2010-01-01	466.9971
2011-01-01	462.7736
2012-01-01	457.4171
2013-01-01	452.6227
2014-01-01	453.9724
2015-01-01	450.0000
2016-01-01	466.0000