Year | Value | 2022 | 99.777117704205 | 2021 | 96.98312156093 | 2020 | 98.412428538032 | 2019 | 98.865330505627 | 2018 | 98.247100827242 | 2017 | 98.073806412602 | 2016 | 100.18821371443 | 2015 | 102.58811811732 | 2014 | 101.63918033966 | 2013 | 100.17054360544 | 2012 | 97.720666521035 | 2011 | 94.982760771083 | 2010 | 96.020480632654 | 2009 | 95.227824137296 | 2008 | 98.978506970138 | 2007 | 92.643880222589 | 2006 | 90.711783126802 | 2005 | 93.659795253421 | 2004 | 96.111610766227 | 2003 | 99.595276430602 | 2002 | 100.6995656258 | 2001 | 101.86164238715 | 2000 | 102.00128472068 | 1999 | 102.41200054163 | 1998 | 105.54721808766 | 1997 | 104.51502533811 | 1996 | 105.02116425527 | 1995 | 105.72744734457 | 1994 | 103.38003022956 | 1993 | 103.86523636241 | 1992 | 102.95028061785 | 1991 | 102.25448078107 | 1990 | 98.075293975795 | 1989 | 99.87748777418 | 1988 | 103.22245152139 | 1987 | 101.64119042155 | 1986 | 101.36561583271 | 1985 | 91.806051842073 | 1984 | 95.718344260082 | 1983 | 99.802618803747 | 1982 | 104.82145509866 | 1981 | 105.86885275846 | 1980 | 97.147738648009 | 1979 | 91.784660364806 | 1978 | 99.245989041262 | 1977 | 106.53241046556 | 1976 | 108.19798566652 | 1975 | 111.41138996915 | 1974 | 108.00841997863 | 1973 | 102.07473300785 | 1972 | 99.968854384642 | 1971 | 100.64192641063 | 1970 | 97.547957068281 | 1969 | 99.97594323501 | 1968 | 101.45070431954 | 1967 | 106.67541303467 | 1966 | 105.69108363443 | 1965 | 105.27794902537 | 1964 | 102.56936120641 | 1963 | 106.47806916243 | 1962 | 107.70814326394 | 1961 | 106.7494332377 | 1960 | 106.25234372545 |
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