Year % 1996 107.8 1997 107.8 1998 107.8 2000 108.27 2001 108.27 2003 107.58 2006 107.58 2008 106.27 2009 106.27 2010 106.27 2011 106.27 2012 106.27 2013 106.27 2014 101.6 2015 101.6 2016 101.6 2019 102.53 2020 102.53 2021 102.53