Year	Number
2006-01-01	199.0857
2007-01-01	222.5306
2008-01-01	234.4037
2009-01-01	238.6521
2010-01-01	259.1719
2011-01-01	276.6506
2012-01-01	288.5830
2013-01-01	339.7558
2014-01-01	370.4174
2015-01-01	442.2129
2016-01-01	481.5662