Year	Number
2005-01-01	294.1839
2006-01-01	314.0269
2007-01-01	390.4520
2008-01-01	444.7615
2009-01-01	445.5427
2010-01-01	411.2572
2011-01-01	397.3803
2012-01-01	411.9066
2013-01-01	423.1317
2014-01-01	431.7606
2015-01-01	423.8615
2016-01-01	425.0236
2017-01-01	424.2735
