Year	Number
2004-01-01	192.5412
2005-01-01	322.3614
2006-01-01	243.6607
2007-01-01	273.2742
2008-01-01	309.1700
2009-01-01	343.4501
2010-01-01	322.0516
2011-01-01	228.9038
2012-01-01	211.7567
2013-01-01	175.3445
2014-01-01	197.5665
2015-01-01	161.5764
2016-01-01	166.0379