Year	Number
2004-01-01	362.117133130695
2005-01-01	403.364933345024
2006-01-01	578.999923981132
2007-01-01	660.927881657351
2008-01-01	705.927568961994
2009-01-01	748.800831227487
2010-01-01	893.457640615241
2011-01-01	963.607747651889
2012-01-01	1028.703249189200
2013-01-01	1185.460902803150
2014-01-01	1119.623717205680