Year	Number
2009-01-01	366.9107
2010-01-01	368.3621
2011-01-01	366.9504
2012-01-01	357.1370
2013-01-01	351.6848
2014-01-01	349.9301
2015-01-01	349.5379
2016-01-01	345.4528
2017-01-01	363.0561