Year Number 1996 100 1998 100 2000 99.0049743652344 2002 100 2003 100 2004 100 2005 98.5645904541016 2006 100 2007 100 2008 100 2009 100 2010 100 2011 100 2012 100 2013 100 2014 100 2015 100 2016 100 2017 100 2018 99.523811340332 2019 99.523811340332 2020 99.0476226806641 2021 98.5714263916016 2022 99.0566024780273