Year	Number
2005-01-01	638106
2006-01-01	822319
2007-01-01	983104
2008-01-01	1102528
2009-01-01	1065379
2010-01-01	1020160
2011-01-01	918011
2012-01-01	711621
2013-01-01	672208
2014-01-01	650795
2015-01-01	669839
2016-01-01	695267