Year Index 1995 53.8 1996 58.5 1997 64.4 1998 68.8 1999 70.4 2000 73.2 2001 76.2 2002 76.7 2003 77.5 2004 79.6 2005 81.4 2006 82.8 2007 87.3 2008 90.5 2009 91.4 2010 93.5 2011 95.7 2012 98 2013 99.4 2014 99.5 2015 99.5 2016 101.5 2017 103.9 2018 106.031 2019 108.257 2020 110.422 2021 112.631 2022 114.883 2023 117.181 2024 119.525