Year Index 2000 71.188 2001 79.304 2002 80.736 2003 79.404 2004 75.947 2005 75.412 2006 75.784 2007 77.608 2008 83.33 2009 84.308 2010 88.272 2011 92.496 2012 94.532 2013 96.226 2014 99.363 2015 99.56 2016 100 2017 101.379 2018 102.673 2019 103.65 2020 105.284 2021 107.125 2022 109.184 2023 111.345 2024 113.606