Year Index (Units) 1980 45.880 1981 49.754 1982 51.984 1983 50.312 1984 50.939 1985 51.184 1986 51.913 1987 52.336 1988 52.692 1989 51.244 1990 54.429 1991 54.984 1992 56.329 1993 58.910 1994 60.970 1995 63.187 1996 64.370 1997 67.300 1998 69.200 1999 72.110 2000 72.750 2001 75.260 2002 76.790 2003 78.690 2004 80.220 2005 82.950 2006 83.590 2007 86.150 2008 90.420 2009 90.010 2010 93.610 2011 95.020 2012 97.680 2013 98.710 2014 99.130 2015 100.420 2016 101.490 2017 102.980 2018 104.410 2019 105.840 2020 106.040 2021 108.790 2022 117.190 2023 122.102 2024 124.766 2025 127.335 2026 129.879 2027 132.475 2028 135.121 2029 137.824