Year	Number
2004-01-01	88.2403
2005-01-01	100.3255
2006-01-01	108.8119
2007-01-01	124.0866
2008-01-01	130.8467
2009-01-01	131.9467
2010-01-01	139.4698
2011-01-01	139.2517
2012-01-01	148.1306
2013-01-01	142.4779
2014-01-01	151.2720
2015-01-01	154.4472
2016-01-01	170.7734