Year	Number
2004-01-01	165.7091
2005-01-01	167.3837
2006-01-01	164.7026
2007-01-01	165.2410
2008-01-01	165.2370
2009-01-01	302.3526
2010-01-01	305.6472
2011-01-01	325.1745
2012-01-01	342.8051
2013-01-01	359.4968
2014-01-01	191.0908
2015-01-01	197.7013
2016-01-01	207.7896