Year	Number
2004-01-01	136685
2005-01-01	136417
2006-01-01	136967
2007-01-01	138407
2008-01-01	138942
2009-01-01	147202
2010-01-01	145286
2011-01-01	142496
2012-01-01	141633
2013-01-01	142010
2014-01-01	141069
2015-01-01	141213
2016-01-01	141301
2017-01-01	141115