Year	Number
2005-01-01	837
2006-01-01	1348
2007-01-01	2074
2008-01-01	2494
2009-01-01	2723
2010-01-01	2857
2011-01-01	2830
2012-01-01	2785
2013-01-01	2673
2014-01-01	2632
2015-01-01	2705
2016-01-01	2983
2017-01-01	2685