Year | Value | 2022 | 134.21120616846 | 2021 | 124.26641382584 | 2020 | 118.6905015772 | 2019 | 117.24419547623 | 2018 | 115.15730322479 | 2017 | 112.41155730231 | 2016 | 110.06700893427 | 2015 | 108.69572196069 | 2014 | 108.56693211896 | 2013 | 106.83384887487 | 2012 | 105.29150453287 | 2011 | 103.15684156862 | 2010 | 100 | 2009 | 98.386419971062 | 2008 | 98.737477385345 | 2007 | 95.086992378852 | 2006 | 92.449705082727 | 2005 | 89.56053237211 | 2004 | 86.621678120173 | 2003 | 84.363078818619 | 2002 | 82.490466876552 | 2001 | 81.202568459253 | 2000 | 78.970720756872 | 1999 | 76.391102265249 | 1998 | 74.755433058709 | 1997 | 73.612757608346 | 1996 | 71.931228517511 | 1995 | 69.882820352311 | 1994 | 67.975813497023 | 1993 | 66.248424521892 | 1992 | 64.349060980652 | 1991 | 62.457340753463 | 1990 | 59.919760489111 | 1989 | 56.850969898336 | 1988 | 54.233134836467 | 1987 | 52.108293530775 | 1986 | 50.266254844906 | 1985 | 49.329948873872 | 1984 | 47.640776468988 | 1983 | 45.67644475833 | 1982 | 44.254788345169 | 1981 | 41.698099795694 | 1980 | 37.792366316526 | 1979 | 33.282811027468 | 1978 | 29.915931188772 | 1977 | 27.794911540105 | 1976 | 26.098095821171 | 1975 | 24.680261065035 | 1974 | 22.612744614712 | 1973 | 20.361788627207 | 1972 | 19.177074949573 | 1971 | 18.569431482658 | 1970 | 17.805100077733 | 1969 | 16.822934222404 | 1968 | 15.951596420789 | 1967 | 15.298093069578 | 1966 | 14.885354110918 | 1965 | 14.449685210111 | 1964 | 14.224207445658 | 1963 | 14.0445895655 | 1962 | 13.872614999392 | 1961 | 13.708283747333 | 1960 | 13.563060780398 |
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