Year	Number
2004-01-01	27.5533
2005-01-01	33.1650
2006-01-01	40.1235
2007-01-01	49.6072
2008-01-01	57.5758
2009-01-01	62.6263
2010-01-01	64.6465
2011-01-01	69.4725
2012-01-01	80.1347
2013-01-01	82.7722
2014-01-01	91.5825
2015-01-01	95.8474
2016-01-01	111.7284