Year Number 1996 100 1998 100 2000 100 2002 100 2003 99.4974899291992 2004 92.7184448242188 2005 100 2006 100 2007 100 2008 100 2009 100 2010 100 2011 99.5260696411133 2012 99.5260696411133 2013 99.5260696411133 2014 87.6190490722656 2015 78.0952377319336 2016 80.476188659668 2017 91.4285736083984 2018 93.8679275512695 2019 97.1698150634766 2020 95.2830200195313 2021 96.2264175415039 2022 96.698112487793