Year	Number
2005-01-01	61.6312
2006-01-01	70.3489
2007-01-01	79.8026
2008-01-01	89.1621
2009-01-01	96.2375
2010-01-01	101.5644
2011-01-01	109.8555
2012-01-01	113.0015
2013-01-01	114.1183
2014-01-01	117.0759
2015-01-01	123.3977
2016-01-01	127.9289
