Year Index (Units) 1980 48.050 1981 51.540 1982 53.746 1983 55.342 1984 56.891 1985 57.830 1986 57.649 1987 57.361 1988 58.052 1989 58.801 1990 61.550 1991 64.080 1992 65.170 1993 66.170 1994 67.470 1995 68.150 1996 69.450 1997 70.970 1998 72.030 1999 73.490 2000 75.750 2001 79.750 2002 82.380 2003 83.690 2004 84.730 2005 86.390 2006 87.870 2007 89.260 2008 90.740 2009 91.370 2010 93.020 2011 95.300 2012 98.450 2013 99.730 2014 99.590 2015 100.040 2016 100.800 2017 102.010 2018 103.850 2019 106.650 2020 107.580 2021 114.460 2022 127.080 2023 128.350 2024 131.565 2025 134.171 2026 136.854 2027 139.591 2028 142.383 2029 145.231