Year Index (Units) 1980 54.518 1981 58.011 1982 60.752 1983 63.052 1984 66.235 1985 68.092 1986 68.844 1987 69.974 1988 71.280 1989 73.047 1990 75.334 1991 77.390 1992 80.285 1993 82.771 1994 84.748 1995 85.218 1996 87.209 1997 88.078 1998 88.512 1999 89.984 2000 91.625 2001 93.242 2002 94.811 2003 96.078 2004 98.492 2005 100.000 2006 101.629 2007 105.153 2008 106.697 2009 107.819 2010 110.173 2011 113.913 2012 117.232 2013 119.561 2014 120.526 2015 121.817 2016 123.748 2017 126.632 2018 128.804 2019 131.157 2020 132.485 2021 137.505 2022 151.997 2023 160.589 2024 165.806 2025 169.818 2026 173.280 2027 176.848 2028 180.490 2029 184.207