Year | Value | 2022 | 101.62916575443 | 2021 | 98.235739756061 | 2020 | 98.000185350898 | 2019 | 99.371850950601 | 2018 | 100.33552816341 | 2017 | 98.961015849676 | 2016 | 98.805795036473 | 2015 | 98.581982205963 | 2014 | 99.18119777183 | 2013 | 99.202148238648 | 2012 | 99.937049216326 | 2011 | 100.09899783971 | 2010 | 98.297544115894 | 2009 | 97.738033115442 | 2008 | 99.32720784004 | 2007 | 95.86483746965 | 2006 | 95.957515189073 | 2005 | 95.963392827193 | 2004 | 95.105850453996 | 2003 | 94.64253581612 | 2002 | 94.422554096728 | 2001 | 96.352921994031 | 2000 | 97.135344750921 | 1999 | 96.043871508776 | 1998 | 96.360432595461 | 1997 | 96.115777895284 | 1996 | 96.82799384564 | 1995 | 96.149824385206 | 1994 | 96.429999125042 | 1993 | 96.887415395234 | 1992 | 97.696484344457 | 1991 | 98.492134805369 | 1990 | 98.758868037627 | 1989 | 98.193117250569 | 1988 | 97.80559359894 | 1987 | 98.242800117899 | 1986 | 97.667692520447 | 1985 | 99.084228262133 | 1984 | 99.664511729459 | 1983 | 99.779258185773 | 1982 | 102.43420327173 | 1981 | 102.9391667856 | 1980 | 104.12569719107 | 1979 | 103.08423515776 | 1978 | 102.07695382838 | 1977 | 101.75879039916 | 1976 | 100.68798356694 | 1975 | 100.36272099953 | 1974 | 100.55464190913 | 1973 | 98.110479411679 | 1972 | 96.407071706543 | 1971 | 97.933677663863 | 1970 | 97.626300021781 |
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