Year Index 1980 96.167 1981 98.982 1982 100.709 1983 101.661 1984 103.159 1985 104.459 1986 106.143 1987 105.976 1988 106.638 1989 108.887 1990 111.724 1991 114.995 1992 116.912 1993 117.576 1994 117.888 1995 117.26 1996 116.677 1997 117.265 1998 117.212 1999 115.677 2000 114.077 2001 112.817 2002 111.172 2003 109.374 2004 108.17 2005 107.048 2006 106.102 2007 105.328 2008 104.295 2009 103.658 2010 101.693 2011 99.99 2012 99.229 2013 98.898 2014 100.624 2015 102.783 2016 103.058 2017 102.831 2018 102.733 2019 103.371 2020 104.652 2021 105.118 2022 105.578 2023 106.178 2024 106.869