Year Number of 2000 34 2001 34 2002 33 2003 39 2004 43 2005 49 2006 54 2007 35 2008 26 2009 31 2010 47 2011 52 2012 45 2013 61 2014 64 2015 70 2016 61 2017 48 2018 50 2019 46 2020 47