Year Index 1999 16.865 2000 17.707 2001 20.602 2002 24.586 2003 33.378 2004 43.951 2005 57.846 2006 95.345 2007 99.798 2008 106.538 2009 101.834 2010 105.207 2011 111.541 2012 115.571 2013 119.191 2014 121.083 2015 123.879 2016 121.961 2017 122.205 2018 122.088 2019 124.53 2020 127.021 2021 129.561 2022 132.152 2023 134.795 2024 137.491