Year Index 1994 10.933 1995 28.724 1996 40.925 1997 43.6 1998 46.626 1999 51.16 2000 53.554 2001 56.434 2002 59.776 2003 61.822 2004 67.035 2005 72.356 2006 78.469 2007 85.895 2008 94.137 2009 92.126 2010 100 2011 109.454 2012 110.626 2013 109.783 2014 113.933 2015 120.64 2016 125.697 2017 133.356 2018 139.205 2019 144.56 2020 148.812 2021 153.313 2022 157.889 2023 162.648 2024 167.519