Year | Value | 2022 | 83.85108077624 | 2021 | 81.637216110148 | 2020 | 80.396594169061 | 2019 | 82.135433555018 | 2018 | 82.698708520803 | 2017 | 84.285886768387 | 2016 | 85.265695242536 | 2015 | 87.467190522337 | 2014 | 85.697304993722 | 2013 | 86.171965390215 | 2012 | 83.389444248588 | 2011 | 82.982740258506 | 2010 | 86.051106826989 | 2009 | 92.728009686919 | 2008 | 94.3547004294 | 2007 | 94.831548074765 | 2006 | 97.067809717979 | 2005 | 96.924881278168 | 2004 | 98.199665189158 | 2003 | 96.468091728765 | 2002 | 100.13010671068 | 2001 | 100.02410741151 | 2000 | 102.86280793254 | 1999 | 101.25030317959 | 1998 | 91.149020637107 | 1997 | 88.399578404446 | 1996 | 92.108376512618 | 1995 | 88.54101683819 | 1994 | 83.659812074735 | 1993 | 92.262600006801 | 1992 | 91.378623086196 | 1991 | 91.655526867441 | 1990 | 94.575866143095 | 1989 | 94.487020543013 | 1988 | 97.343379043637 | 1987 | 97.499660907367 | 1986 | 99.844009223857 | 1985 | 98.151346498675 | 1984 | 95.54576044764 | 1983 | 96.390485111626 | 1982 | 97.295240096641 | 1981 | 100.30501838896 | 1980 | 99.441205830041 | 1979 | 96.733707476966 | 1978 | 94.038682824097 | 1977 | 94.874810958391 | 1976 | 87.67957027224 | 1975 | 91.267257308273 | 1974 | 82.294381164456 | 1973 | 88.118234297598 | 1972 | 90.029203634245 | 1971 | 92.193843402596 | 1970 | 93.397767039587 | 1969 | 94.174458850132 | 1968 | 93.938683317473 | 1967 | 94.323034144796 | 1966 | 91.953066537307 | 1965 | 91.28890255409 | 1964 | 92.289239108608 | 1963 | 94.332260304616 | 1962 | 94.507988368463 | 1961 | 94.752348965909 | 1960 | 95.564721632311 |
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