Year | Value | 2022 | 71.101306622593 | 2021 | 77.366630163728 | 2020 | 79.454449013411 | 2019 | 78.79047734926 | 2018 | 80.860220227577 | 2017 | 83.104985165831 | 2016 | 83.501312590736 | 2015 | 86.58354441397 | 2014 | 83.14900386518 | 2013 | 85.197191428339 | 2012 | 87.666957219664 | 2011 | 89.055158992089 | 2010 | 89.678668854442 | 2009 | 89.980980663369 | 2008 | 89.753496262596 | 2007 | 88.651215864932 | 2006 | 90.785379272341 | 2005 | 90.042605592906 | 2004 | 87.657278315997 | 2003 | 89.163843961727 | 2002 | 89.481494131123 | 2001 | 90.767283721142 | 2000 | 90.129124098073 | 1999 | 90.14564383667 | 1998 | 87.252589111279 | 1997 | 85.814503988582 | 1996 | 85.969000365425 | 1995 | 87.642487862404 | 1994 | 89.944213787614 | 1993 | 94.394896567635 | 1992 | 96.641340961564 | 1991 | 94.861700017725 | 1990 | 93.297219704487 | 1989 | 99.492368680876 | 1988 | 102.64612238629 | 1987 | 102.75614021504 | 1986 | 102.47512762317 | 1985 | 104.05600579851 | 1984 | 98.572234154438 | 1983 | 100.49192039236 | 1982 | 94.710846764441 | 1981 | 112.35162013458 | 1980 | 106.34902451156 | 1979 | 100.48322792085 | 1978 | 101.95626388948 | 1977 | 100.85094162075 | 1976 | 101.3850780544 | 1975 | 99.582646324515 | 1974 | 96.946776320898 | 1973 | 97.212219795705 | 1972 | 99.05210729648 | 1971 | 99.761168652978 | 1970 | 97.692364722447 | 1969 | 96.992098422657 | 1968 | 97.36728863698 | 1967 | 100.28128475114 | 1966 | 100.57122150341 | 1965 | 98.860642729148 | 1964 | 97.889723827834 | 1963 | 97.182005170987 | 1962 | 96.186932756274 | 1961 | 94.279714835629 | 1960 | 94.566980620155 |
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