Year	Number
2004-01-01	91.6924
2005-01-01	107.4040
2006-01-01	94.4750
2007-01-01	86.2404
2008-01-01	83.2318
2009-01-01	70.1421
2010-01-01	72.9210
2011-01-01	96.3162
2012-01-01	114.4920
2013-01-01	102.7311
2014-01-01	89.5371
2015-01-01	94.7258
2016-01-01	103.9747
