Year Number 2007-01-01 793 2008-01-01 858 2009-01-01 970 2010-01-01 1026 2011-01-01 1185 2012-01-01 1364 2013-01-01 1537 2014-01-01 1721 2015-01-01 1938 2016-01-01 2024 2017-01-01 2103