Year	Number
2004-01-01	85.6404
2005-01-01	97.1816
2006-01-01	46.9821
2007-01-01	55.4864
2008-01-01	74.1130
2009-01-01	99.9268
2010-01-01	122.7046
2011-01-01	137.3431
2012-01-01	176.8106
2013-01-01	190.6367
2014-01-01	274.4193
2015-01-01	303.4535
2016-01-01	294.1912