Year	Number
2004-01-01	89.6376
2005-01-01	104.6048
2006-01-01	109.5033
2007-01-01	130.4011
2008-01-01	136.8036
2009-01-01	196.2506
2010-01-01	199.4850
2011-01-01	220.4778
2012-01-01	234.2080
2013-01-01	218.2018
2014-01-01	273.8809
2015-01-01	234.7028
2016-01-01	257.0072
