Year Index 2001 80.705 2002 79.438 2003 78.366 2004 80.562 2005 85.072 2006 88.974 2007 95.305 2008 101.184 2009 101.934 2010 105.926 2011 113.136 2012 119.739 2013 126.587 2014 133.668 2015 138.655 2016 140.658 2017 143.527 2018 147.752 2019 151.446 2020 155.564 2021 160.201 2022 165.184 2023 170.323 2024 175.451