Year	Number
2004-01-01	35.10500446
2005-01-01	40.52299427
2006-01-01	42.75424163
2007-01-01	43.89817304
2008-01-01	52.48555447
2009-01-01	56.94141424
2010-01-01	57.35819169
2011-01-01	64.18668457
2012-01-01	64.81702171
2013-01-01	65.02800885
2014-01-01	63.16982556