Year	Number
2004-01-01	1231
2005-01-01	1287
2006-01-01	1736
2007-01-01	1935
2008-01-01	2075
2009-01-01	2212
2010-01-01	2376
2011-01-01	2610
2012-01-01	2729
2013-01-01	2803
2014-01-01	2856
2015-01-01	2914