Year	Number
2005-01-01	222.0902
2006-01-01	311.9853
2007-01-01	449.5151
2008-01-01	463.2579
2009-01-01	482.2191
2010-01-01	455.0847
2011-01-01	483.3906
2012-01-01	512.1001
2013-01-01	666.2224
2014-01-01	778.3465
2015-01-01	1057.8362