Year Index (Units) 1980 40.893 1981 44.223 1982 47.804 1983 51.226 1984 53.966 1985 56.137 1986 56.467 1987 57.284 1988 58.386 1989 60.489 1990 62.603 1991 64.346 1992 65.752 1993 67.372 1994 68.712 1995 69.555 1996 71.043 1997 71.671 1998 72.167 1999 73.647 2000 75.830 2001 77.290 2002 78.320 2003 79.600 2004 81.200 2005 83.440 2006 85.170 2007 87.820 2008 90.190 2009 90.490 2010 93.550 2011 96.530 2012 98.540 2013 99.690 2014 99.300 2015 100.740 2016 102.960 2017 105.080 2018 107.390 2019 108.380 2020 108.760 2021 115.930 2022 127.770 2023 128.450 2024 132.785 2025 135.055 2026 137.649 2027 140.363 2028 143.205 2029 146.143