Year Index 1993 36.604 1994 40.922 1995 43.95 1996 46.351 1997 49.252 1998 52.152 1999 58.41 2000 63.34 2001 67.5 2002 69.59 2003 76.02 2004 80.41 2005 83.35 2006 86.25 2007 88.26 2008 91.32 2009 91.36 2010 92.55 2011 96.8 2012 100.04 2013 100.4 2014 100.25 2015 99.78 2016 100.02 2017 102.02 2018 103.94 2019 106.217 2020 108.409 2021 110.351 2022 112.501 2023 114.72 2024 116.998