Year	Number
2004-01-01	75.4051
2005-01-01	78.4160
2006-01-01	71.2184
2007-01-01	72.8283
2008-01-01	80.5030
2009-01-01	102.6488
2010-01-01	128.1797
2011-01-01	215.6521
2012-01-01	180.2801
2013-01-01	183.2512
2014-01-01	200.0682
2015-01-01	189.9816
2016-01-01	213.5300