Year | Value | 2021 | 83.156097560976 | 2020 | 82.356097560976 | 2019 | 83.109756097561 | 2018 | 82.558536585366 | 2017 | 82.409756097561 | 2016 | 82.307317073171 | 2015 | 82.204878048781 | 2014 | 82.253658536585 | 2013 | 81.956097560976 | 2012 | 81.704878048781 | 2011 | 81.80243902439 | 2010 | 81.451219512195 | 2009 | 81.351219512195 | 2008 | 81.1 | 2007 | 80.9 | 2006 | 80.748780487805 | 2005 | 80.546341463415 | 2004 | 80.49756097561 | 2003 | 80.095121951219 | 2002 | 79.846341463415 | 2001 | 79.795121951219 | 2000 | 79.643902439024 | 1999 | 79.441463414634 | 1998 | 79.339024390244 | 1997 | 79.19756097561 | 1996 | 78.959024390244 | 1995 | 78.740487804878 | 1994 | 78.650243902439 | 1993 | 78.060487804878 | 1992 | 77.998780487805 | 1991 | 77.666829268293 | 1990 | 77.536829268293 | 1989 | 77.726829268293 | 1988 | 76.979268292683 | 1987 | 77.092195121951 | 1986 | 76.931219512195 | 1985 | 76.667804878049 | 1984 | 76.815853658537 | 1983 | 76.551707317073 | 1982 | 76.327317073171 | 1981 | 76.026097560976 | 1980 | 75.740975609756 | 1979 | 75.524146341463 | 1978 | 75.469024390244 | 1977 | 75.379756097561 | 1976 | 74.969268292683 | 1975 | 74.984634146342 | 1974 | 74.980487804878 | 1973 | 74.867317073171 | 1972 | 74.718048780488 | 1971 | 74.623902439024 | 1970 | 74.649268292683 | 1969 | 74.08487804878 | 1968 | 73.972926829268 | 1967 | 74.12243902439 | 1966 | 74.078536585366 | 1965 | 73.861707317073 | 1964 | 73.733170731707 | 1963 | 73.555365853659 | 1962 | 73.350487804878 | 1961 | 73.474390243902 | 1960 | 73.005609756098 |
|