Year Index 2000 79.156 2001 78.785 2002 79.563 2003 79.877 2004 81.515 2005 84.909 2006 87.921 2007 91.979 2008 103.532 2009 102.485 2010 102.877 2011 111.81 2012 113.18 2013 117.133 2014 122.096 2015 121.1 2016 121.6 2017 122.174 2018 125.595 2019 128.547 2020 131.117 2021 133.74 2022 136.415 2023 139.143 2024 141.926