Year	Number
2004-01-01	135.0241
2005-01-01	144.1823
2006-01-01	146.0828
2007-01-01	146.7191
2008-01-01	135.1968
2009-01-01	142.9086
2010-01-01	139.2416
2011-01-01	138.4590
2012-01-01	138.4416
2013-01-01	129.0600
2014-01-01	115.4519
2015-01-01	114.5664
2016-01-01	112.0815