Year	Number
2004-01-01	83726
2005-01-01	101631
2006-01-01	106953
2007-01-01	104457
2008-01-01	108711
2009-01-01	113285
2010-01-01	116934
2011-01-01	118123
2012-01-01	141288
2013-01-01	138463
2014-01-01	147241
2015-01-01	148503
2016-01-01	153364