Year Number of 2000 124000 2001 114000 2002 105000 2003 96000 2004 77000 2005 78000 2006 73000 2007 66000 2008 60000 2009 59000 2010 57000 2011 50000 2012 46000 2013 46000 2014 42000 2015 43000 2016 42000 2017 40000 2018 36000 2019 33000 2020 32000