Year	Number
2004-01-01	528.7656
2005-01-01	595.2619
2006-01-01	607.5785
2007-01-01	689.3956
2008-01-01	705.8035
2009-01-01	745.7931
2010-01-01	767.0718
2011-01-01	816.3953
2012-01-01	872.8073
2013-01-01	846.5961
2014-01-01	837.5035
2015-01-01	844.9185
2016-01-01	803.8906
2017-01-01	819.0361