Year	Number
2004-01-01	104.9036
2005-01-01	118.9521
2006-01-01	126.8343
2007-01-01	147.1653
2008-01-01	168.8920
2009-01-01	183.3763
2010-01-01	23.9784
2011-01-01	23.7978
2012-01-01	28.2949
2013-01-01	29.0503
2014-01-01	25.6912
2015-01-01	30.7424
2016-01-01	33.2002