Year	Number
2004-01-01	208
2005-01-01	199
2006-01-01	202
2007-01-01	200
2008-01-01	200
2009-01-01	199
2010-01-01	193
2011-01-01	198
2012-01-01	200
2013-01-01	201
2014-01-01	203
2015-01-01	199
2016-01-01	195