Year | Value | 2022 | 89.790245457443 | 2021 | 93.563056235086 | 2020 | 91.185840132627 | 2019 | 87.782344531808 | 2018 | 91.232694698041 | 2017 | 95.659071637627 | 2016 | 94.515390861445 | 2015 | 94.189614959696 | 2014 | 94.788732394366 | 2013 | 92.125349387229 | 2012 | 91.891084970443 | 2011 | 87.017722996134 | 2010 | 85.736781037626 | 2009 | 87.449625791595 | 2008 | 83.20491345617 | 2007 | 83.727175080558 | 2006 | 82.88813339809 | 2005 | 84.289693593315 | 2004 | 84.422007005976 | 2003 | 85.700598802395 | 2002 | 86.355238849301 | 2001 | 86.590465570114 | 2000 | 87.062628638636 | 1999 | 86.638491547464 | 1998 | 87.995824634656 | 1997 | 88.491914253479 | 1996 | 87.314734088928 | 1995 | 85 | 1994 | 84.857142857143 | 1993 | 84.407216494845 | 1992 | 83.033788641265 | 1991 | 84.177777777778 | 1990 | 83.29853914405 | 1989 | 82.857143506494 | 1988 | 84.74025974026 | 1987 | 84.077669902913 | 1986 | 78.91156462585 | 1985 | 79.892761394102 | 1984 | 81.012658227848 | 1983 | 80.451127819549 | 1982 | 80.464463840399 | 1981 | 80.437954421972 | 1980 | 84.839665763269 | 1979 | 84.291761796043 | 1978 | 85.43265982927 | 1977 | 85.787890230088 | 1976 | 89.122393580527 | 1975 | 91.433309463687 | 1974 | 92.04169386974 | 1973 | 91.428571428571 | 1972 | 93.411359150427 | 1971 | 91.675800574696 | 1970 | 88.924287856072 | 1969 | 92.3328137757 | 1968 | 92.650649862151 | 1967 | 88.219977907527 | 1966 | 87.756103545577 | 1965 | 86.122268814831 | 1964 | 87.072039072039 | 1963 | 87.3606152156 | 1962 | 86.601727623599 | 1961 | 86.027344748275 | 1960 | 86.523757509558 |
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