Year Index 1995 73.697 1996 75.758 1997 77.778 1998 79.048 1999 80.565 2000 82.045 2001 83.128 2002 82.993 2003 82.79 2004 84.238 2005 87.678 2006 91.533 2007 94.865 2008 101.08 2009 108.878 2010 112.908 2011 117.488 2012 124.863 2013 127.553 2014 128.418 2015 128.215 2016 128.82 2017 129.514 2018 132.104 2019 134.746 2020 137.441 2021 140.19 2022 142.993 2023 145.853 2024 148.77