Year Index 1995 52.2 1996 56.783 1997 61.683 1998 68.283 1999 69.758 2000 72.383 2001 75.775 2002 77.2 2003 77.292 2004 79.417 2005 80.908 2006 82.95 2007 85.333 2008 90.725 2009 91.658 2010 93.008 2011 94.792 2012 97.9 2013 99.308 2014 99.658 2015 99.983 2016 100.65 2017 103.117 2018 105.342 2019 107.79 2020 109.945 2021 112.144 2022 114.387 2023 116.675 2024 119.008