Year Number 2004 889600 2005 858800 2006 911700 2007 954800 2008 933100 2009 770900 2010 794000 2011 837400 2012 844700 2013 864100 2014 869900 2015 914100 2016 988300 2017 1076700 2018 1170300 2019 1202400 2020 1303300