Year | Value | 2022 | 122.91062498971 | 2021 | 114.6569138642 | 2020 | 110.81503864042 | 2019 | 111.22835231094 | 2018 | 111.14463357709 | 2017 | 109.94586086592 | 2016 | 108.84397450022 | 2015 | 108.19045106832 | 2014 | 108.98756924294 | 2013 | 107.75768266948 | 2012 | 106.9473753627 | 2011 | 105.12892376682 | 2010 | 100 | 2009 | 98.834410445793 | 2008 | 97.801673384909 | 2007 | 91.653619239068 | 2006 | 87.641324283902 | 2005 | 84.24043385289 | 2004 | 80.465823351181 | 2003 | 77.036214289862 | 2002 | 75.436662157143 | 2001 | 74.055144888723 | 2000 | 71.377888366087 | 1999 | 69.792695548521 | 1998 | 69.435224176549 | 1997 | 67.710594851312 | 1996 | 64.800944149223 | 1995 | 59.023209183648 | 1994 | 53.643000521787 | 1993 | 48.508033847673 | 1992 | 40.93273935095 | 1991 | 36.805224322377 | 1990 | 32.171646651428 | 1989 | 25.945051018761 | 1988 | 22.055726565224 | 1987 | 18.416426691532 | 1986 | 14.749129369662 | 1985 | 11.179086341413 | 1984 | 9.1385881128125 | 1983 | 8.1955161747181 | 1982 | 7.2325513129069 | 1981 | 6.473304725228 | 1980 | 5.6389070924803 | 1979 | 4.8045094597327 | 1978 | 4.2124118132724 | 1977 | 3.7187439667654 | 1976 | 3.325643656593 | 1975 | 3.107070864621 | 1974 | 2.6090435882879 | 1973 | 2.2318777457585 | 1972 | 2.0977876973102 | 1971 | 2.0660690871951 | 1970 | 2.0568992520438 | 1969 | 2.0005273146457 | 1968 | 2.0044357689635 | 1967 | 1.9548284640495 | 1966 | 1.9265673327605 | 1965 | 1.9497174083944 | 1964 | 1.9408482235729 | 1963 | 1.9073257114669 | 1962 | 1.877861978851 | 1961 | 1.8760580768495 | 1960 | 1.9277699340963 |
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