Year Index 1980 41.345 1981 44.831 1982 46.999 1983 49.407 1984 50.45 1985 51.092 1986 51.373 1987 53.139 1988 54.261 1989 56.149 1990 61.287 1991 62.692 1992 64.618 1993 67.528 1994 67.821 1995 69.956 1996 72.501 1997 73.079 1998 75.495 1999 74.13 2000 75.174 2001 76.803 2002 76.46 2003 78.595 2004 79.588 2005 82.69 2006 86.665 2007 93.891 2008 102.702 2009 100.437 2010 101.3 2011 106.1 2012 107.2 2013 107.2 2014 107.3 2015 105.1 2016 106.1 2017 109.3 2018 111.5 2019 113.727 2020 116 2021 118.317 2022 120.682 2023 123.093 2024 125.552