Year	Number
2004-01-01	198788
2005-01-01	222884
2006-01-01	245886
2007-01-01	209037
2008-01-01	254478
2009-01-01	231427
2010-01-01	231973
2011-01-01	223994
2012-01-01	214225
2013-01-01	214140
2014-01-01	199899
2015-01-01	200086
2016-01-01	195533