Year	Number
2004-01-01	88.6072
2005-01-01	97.9853
2006-01-01	112.5587
2007-01-01	109.4516
2008-01-01	151.1864
2009-01-01	168.7800
2010-01-01	186.4797
2011-01-01	173.7760
2012-01-01	196.1282
2013-01-01	182.0691
2014-01-01	192.1668
2015-01-01	201.1091
2016-01-01	243.0878