Year	Number
2007-01-01	34500
2008-01-01	57262
2009-01-01	80248
2010-01-01	135055
2011-01-01	78703
2012-01-01	72718
2013-01-01	64455
2014-01-01	100305
2015-01-01	103539
2016-01-01	97976