Year Index 1993 33.278 1994 37.758 1995 41.497 1996 43.896 1997 46.544 1998 49.658 1999 54.853 2000 61.524 2001 65.919 2002 68.219 2003 73.961 2004 79.472 2005 81.68 2006 85.164 2007 86.783 2008 90.21 2009 91.054 2010 91.692 2011 95.426 2012 98.985 2013 100.428 2014 100.335 2015 100 2016 99.526 2017 100.912 2018 103.46 2019 105.94 2020 108.223 2021 110.54 2022 112.868 2023 115.239 2024 117.659