Year	Number
2009-01-01	1.3005
2010-01-01	1.6926
2011-01-01	1.7557
2012-01-01	2.0935
2013-01-01	2.4088
2014-01-01	2.2874
2015-01-01	2.1598
2016-01-01	2.3107