Year Number 1996 59.7826080322266 1998 57.6086959838867 2000 61.4130439758301 2002 63.7837829589844 2003 62.7027015686035 2004 64.6766204833984 2005 57.8431358337402 2006 61.2745094299316 2007 62.1359214782715 2008 61.1650466918945 2009 57.4162673950195 2010 55.0239219665527 2011 56.3981056213379 2012 64.9289093017578 2013 65.4028472900391 2014 65.3846130371094 2015 63.8095245361328 2016 61.9047622680664 2017 61.4285697937012 2018 58.5714302062988 2019 55.7142868041992 2020 50.9523811340332 2021 44.2857131958008 2022 46.698112487793