Year	Number
2004-01-01	8.8512
2005-01-01	13.1078
2006-01-01	51.0718
2007-01-01	56.3910
2008-01-01	67.5910
2009-01-01	71.0491
2010-01-01	76.5029
2011-01-01	82.8300
2012-01-01	88.6940
2013-01-01	90.1861
2014-01-01	93.9572
2015-01-01	95.7734
2016-01-01	92.3883