Year	Number
2004-01-01	68.7725
2005-01-01	58.1458
2006-01-01	76.8983
2007-01-01	81.5326
2008-01-01	87.4710
2009-01-01	101.2475
2010-01-01	120.9330
2011-01-01	122.5000
2012-01-01	122.8374
2013-01-01	123.0970
2014-01-01	123.1163
2015-01-01	133.2237
2016-01-01	132.9767