Year	Number
2009-01-01	65.3021
2010-01-01	67.0186
2011-01-01	72.9159
2012-01-01	71.8153
2013-01-01	71.3427
2014-01-01	72.2016
2015-01-01	71.8485
2016-01-01	72.5181
2017-01-01	70.7568