Year | Value | 2022 | 83.071121781784 | 2021 | 91.59351895549 | 2020 | 99.90953244502 | 2019 | 92.019807775326 | 2018 | 87.558563051553 | 2017 | 94.682807907906 | 2016 | 99.58710874236 | 2015 | 104.37603299317 | 2014 | 87.06527411628 | 2013 | 79.075408308001 | 2012 | 75.168353884814 | 2011 | 73.656839404853 | 2010 | 83.410301174579 | 2009 | 90.681100963862 | 2008 | 71.879623488033 | 2007 | 74.988441230835 | 2006 | 70.280788362023 | 2005 | 67.852598903595 | 2004 | 73.112187966937 | 2003 | 78.122864418382 | 2002 | 82.695195755643 | 2001 | 84.293188215696 | 2000 | 81.355908465556 | 1999 | 88.513104947588 | 1998 | 96.823628196665 | 1997 | 86.870863974355 | 1996 | 86.608169238094 | 1995 | 90.366045261407 | 1994 | 92.069421214165 | 1993 | 99.10134936735 | 1992 | 96.878428086052 | 1991 | 98.082508380828 | 1990 | 91.038435443434 | 1989 | 104.33170914804 | 1988 | 103.87904698898 | 1987 | 106.27081243911 | 1986 | 109.08327732615 | 1985 | 106.57130112721 | 1984 | 110.70053872963 | 1983 | 109.20795777378 | 1982 | 88.386624465865 | 1981 | 67.274511271509 | 1980 | 63.844544122981 | 1979 | 79.387567830011 | 1978 | 92.280978778467 | 1977 | 75.140466534803 | 1976 | 64.522002118084 | 1975 | 48.398953353571 | 1974 | 50.26648906136 | 1973 | 21.21232905574 | 1972 | 56.686055020659 | 1971 | 63.932863069213 | 1970 | 70.76377866708 | 1969 | 76.751817896121 | 1968 | 76.980526033121 |
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