Year Number 1996 78.1914901733398 1998 100 2000 98.9417953491211 2002 94.1798934936523 2003 99.4974899291992 2004 99.5145645141602 2005 99.5145645141602 2006 98.5507278442383 2007 98.5507278442383 2008 100 2009 100 2010 99.5260696411133 2011 99.5260696411133 2012 99.5260696411133 2013 99.5260696411133 2014 96.6666641235352 2015 95.2380981445313 2016 92.3809509277344 2017 84.2857131958008 2018 83.9622650146484 2019 87.2641525268555 2020 86.3207550048828 2021 93.8679275512695 2022 96.698112487793