Year Number of 2000 118000 2001 118000 2002 117000 2003 116000 2004 115000 2005 115000 2006 119000 2007 120000 2008 120000 2009 120000 2010 119000 2011 117000 2012 114000 2013 110000 2014 107000 2015 103000 2016 100000 2017 100000 2018 98000 2019 96000 2020 98000