Year Index 1996 92.223 1997 97.51 1998 97.238 1999 100 2000 104.973 2001 109.773 2002 110.117 2003 110.719 2004 111.031 2005 115.009 2006 122.056 2007 123.877 2008 127.249 2009 126.752 2010 129.55 2011 134.289 2012 137.042 2013 136.952 2014 135.688 2015 134.289 2016 132.856 2017 134.515 2018 136.356 2019 138.356 2020 140.59 2021 142.884 2022 145.387 2023 148.153 2024 151.137