Year Index 1980 82.383 1981 90.933 1982 96.533 1983 99.583 1984 103.933 1985 107.6 1986 109.692 1987 113.617 1988 118.275 1989 123.942 1990 130.658 1991 136.167 1992 140.308 1993 144.475 1994 148.225 1995 152.383 1996 156.858 1997 160.525 1998 163.008 1999 166.583 2000 172.192 2001 177.042 2002 179.867 2003 184 2004 188.908 2005 195.267 2006 201.558 2007 207.344 2008 215.254 2009 214.565 2010 218.076 2011 224.923 2012 229.586 2013 232.952 2014 236.715 2015 236.998 2016 240.008 2017 245.134 2018 251.104 2019 256.122 2020 263.123 2021 269.098 2022 275.086 2023 281.225 2024 287.513