Year Number 1996 76.0638275146484 1998 88.8297882080078 2000 87.8306884765625 2002 84.1269836425781 2003 83.4170837402344 2004 63.1067962646484 2005 70.8737869262695 2006 69.5652160644531 2007 45.8937187194824 2008 38.9423065185547 2009 37.4407577514648 2010 40.2843589782715 2011 39.3364944458008 2012 36.0189590454102 2013 51.6587677001953 2014 69.0476226806641 2015 59.523811340332 2016 60.9523811340332 2017 55.238094329834 2018 51.4150924682617 2019 48.113208770752 2020 57.5471687316895 2021 62.7358474731445 2022 69.8113174438477