Year	Number
2004-01-01	41.3707
2005-01-01	33.3997
2006-01-01	28.7367
2007-01-01	25.0821
2008-01-01	129.8476
2009-01-01	153.2040
2010-01-01	200.2373
2011-01-01	83.7480
2012-01-01	57.5604
2013-01-01	114.7142
2014-01-01	95.4736
