Year	Number
2004-01-01	647.1422
2005-01-01	718.6864
2006-01-01	727.7845
2007-01-01	1063.7482
2008-01-01	1024.2946
2009-01-01	960.1646
2010-01-01	983.9669
2011-01-01	998.9749
2012-01-01	999.8795
2013-01-01	1003.6048
2014-01-01	1041.8417
2015-01-01	1102.7217
2016-01-01	1192.8453
2017-01-01	1277.6298