Year	Number
2008-01-01	541.3142
2009-01-01	558.2235
2010-01-01	579.6388
2011-01-01	587.6580
2012-01-01	592.7238
2013-01-01	620.2050
2014-01-01	652.3024
2015-01-01	690.9155
2016-01-01	687.7486
