Year Index (Units) 1980 47.891 1981 51.148 1982 54.165 1983 55.736 1984 57.631 1985 58.957 1986 58.957 1987 58.367 1988 58.659 1989 59.304 1990 60.787 1991 62.719 1992 64.498 1993 65.558 1994 66.948 1995 67.850 1996 68.832 1997 70.109 1998 71.359 1999 72.813 2000 74.523 2001 78.333 2002 81.350 2003 83.162 2004 84.312 2005 85.568 2006 86.983 2007 88.363 2008 90.319 2009 91.197 2010 92.044 2011 94.319 2012 96.977 2013 99.455 2014 99.773 2015 99.992 2016 100.106 2017 101.400 2018 103.022 2019 105.771 2020 106.941 2021 109.955 2022 122.728 2023 127.782 2024 131.180 2025 133.939 2026 136.617 2027 139.350 2028 142.137 2029 144.979