Year Number of 2000 57 2001 41 2002 40 2003 52 2004 44 2005 43 2006 52 2007 45 2008 65 2009 38 2010 47 2011 55 2012 56 2013 60 2014 56 2015 64 2016 56 2017 60 2018 55 2019 53 2020 55