Year Index 2004 137.348 2005 127.914 2006 109.007 2007 100 2008 125.408 2009 158.204 2010 129.451 2011 152.864 2012 189.674 2013 148.603 2014 131.023 2015 120.136 2016 126.943 2017 131.506 2018 134.455 2019 136.472 2020 138.741 2021 141.046 2022 143.302 2023 146.169 2024 149.092