Year	Number
2008-01-01	88.5579
2009-01-01	87.2103
2010-01-01	80.4574
2011-01-01	73.2036
2012-01-01	68.1818
2013-01-01	60.8998
2014-01-01	46.1830
2015-01-01	32.6464
2016-01-01	29.6662