Year Index (Units) 1980 10.042 1981 11.130 1982 12.031 1983 13.060 1984 14.095 1985 15.109 1986 16.135 1987 17.640 1988 19.092 1989 20.703 1990 22.911 1991 26.062 1992 28.398 1993 31.199 1994 34.312 1995 37.422 1996 40.257 1997 42.864 1998 46.297 1999 47.718 2000 49.457 2001 51.048 2002 52.944 2003 54.992 2004 58.141 2005 61.409 2006 66.568 2007 71.191 2008 77.736 2009 83.209 2010 91.968 2011 100.000 2012 107.934 2013 114.612 2014 118.430 2015 121.130 2016 125.052 2017 130.016 2018 135.066 2019 138.315 2020 144.975 2021 157.087 2022 167.687 2023 170.675 2024 176.634 2025 183.944 2026 191.470 2027 199.129 2028 207.093 2029 215.377