Year | Value | 2023 | 96.852735163267 | 2022 | 100.11101900879 | 2021 | 99.090330651592 | 2020 | 94.597872550864 | 2019 | 89.757912376295 | 2018 | 90.282070069625 | 2017 | 88.16356271916 | 2016 | 87.980126846967 | 2015 | 90.821494992535 | 2014 | 93.431594617932 | 2013 | 96.372835702049 | 2012 | 97.645545457915 | 2011 | 95.894181838957 | 2010 | 93.333000251199 | 2009 | 89.68223047756 | 2008 | 96.207781060313 | 2007 | 91.970363257014 | 2006 | 94.965064583144 | 2005 | 99.914254694158 | 2004 | 94.669960177053 | 2003 | 92.386117936721 | 2002 | 91.574063129054 | 2001 | 92.589730104821 | 2000 | 89.992307419198 | 1999 | 86.931070147433 | 1998 | 84.811103905454 | 1997 | 99.359235379412 | 1996 | 105.82589072057 | 1995 | 105.41422235416 | 1994 | 104.09095467988 | 1993 | 102.61685112517 | 1992 | 104.63210720022 | 1991 | 107.03855608422 | 1990 | 107.31691078498 | 1989 | 100.08314245605 | 1988 | 99.376076353954 | 1987 | 99.286261263261 | 1986 | 100.01649760828 | 1985 | 103.9935613601 | 1984 | 106.29327676156 | 1983 | 107.94982257899 | 1982 | 103.17787252046 | 1981 | 107.72085537215 | 1980 | 106.88260310976 | 1979 | 104.2898576102 | 1978 | 103.86357798937 | 1977 | 104.89913066604 | 1976 | 103.54487558178 | 1975 | 106.73129429039 | 1974 | 104.07771978913 |
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