Year	Number
2004-01-01	90.9012
2005-01-01	86.1775
2006-01-01	77.5818
2007-01-01	73.3108
2008-01-01	69.6799
2009-01-01	60.8466
2010-01-01	57.5633
2011-01-01	52.2044
2012-01-01	47.1409
2013-01-01	43.1250
2014-01-01	40.2866
2015-01-01	36.4165
2016-01-01	35.6015
2017-01-01	35.6015