Year Number 2002 60 2003 61.6216201782227 2004 57.7114410400391 2005 57.8431358337402 2006 63.9024391174316 2007 72.8155364990234 2008 66.019416809082 2009 61.7224884033203 2010 62.6794242858887 2011 66.3507080078125 2012 63.9810409545898 2013 63.5071105957031 2014 66.8269195556641 2015 71.4285736083984 2016 68.5714263916016 2017 70.476188659668 2018 74.2857131958008 2019 73.3333358764648 2020 70.9523773193359 2021 66.6666641235352 2022 63.2075462341309