Year Index 1990 70.034 1991 66.676 1992 63.867 1993 64.141 1994 84.699 1995 92.442 1996 95.014 1997 95.917 1998 98.887 1999 97.541 2000 100 2001 105.223 2002 109.514 2003 104.028 2004 105.625 2005 109.174 2006 113.091 2007 116.016 2008 124.647 2009 126.733 2010 129.197 2011 136.036 2012 139.269 2013 139.269 2014 140.885 2015 142.253 2016 141.134 2017 142.664 2018 144.023 2019 147.249 2020 150.547 2021 153.919 2022 157.366 2023 160.891 2024 164.494