Year	Number
2005-01-01	988540
2006-01-01	888772
2007-01-01	1238774
2008-01-01	1157322
2009-01-01	979935
2010-01-01	1470258
2011-01-01	1581262
2012-01-01	3202790
2013-01-01	1235866
2014-01-01	1112895
2015-01-01	1145645
2016-01-01	1047587