Year	Number
2004-01-01	727.0236
2005-01-01	425.5890
2006-01-01	484.5853
2007-01-01	563.1761
2008-01-01	672.1377
2009-01-01	693.0555
2010-01-01	802.4836
2011-01-01	915.9922
2012-01-01	922.7825
2013-01-01	1012.4587
2014-01-01	1147.6037
2015-01-01	1257.8120
2016-01-01	1387.3918
2017-01-01	1462.6526