Year Number 1996 100 1998 100 2000 55.5555572509766 2002 68.2539672851563 2003 95.4773864746094 2004 66.019416809082 2005 65.5339813232422 2006 66.6666641235352 2007 74.8792266845703 2008 72.5961532592773 2009 72.0379180908203 2010 77.2511825561523 2011 72.9857788085938 2012 69.1943130493164 2013 73.459716796875 2014 76.6666641235352 2015 88.5714263916016 2016 78.5714263916016 2017 66.6666641235352 2018 70.7547149658203 2019 77.8301849365234 2020 80.1886825561523 2021 82.5471725463867 2022 74.0566024780273