Year | Value | 2022 | 97.378416825082 | 2021 | 96.162436326089 | 2020 | 93.917984451019 | 2019 | 94.595652513366 | 2018 | 96.72891786554 | 2017 | 88.944217470373 | 2016 | 90.642393896158 | 2015 | 91.487415716866 | 2014 | 92.242038707654 | 2013 | 87.4789809981 | 2012 | 86.979963364505 | 2011 | 66.4169087485 | 2010 | 68.507628477332 | 2009 | 75.630757478808 | 2008 | 62.572887519232 | 2007 | 59.619127675391 | 2006 | 65.79686556301 | 2005 | 64.903165404203 | 2004 | 63.084178673058 | 2003 | 67.394407313166 | 2002 | 68.063649068912 | 2001 | 70.026588990195 | 2000 | 78.866047426799 | 1999 | 92.305903466915 | 1998 | 91.482945964223 | 1997 | 91.046378641112 | 1996 | 95.719702017507 | 1995 | 90.714752711416 | 1994 | 87.826613103359 | 1993 | 88.241416075063 | 1992 | 87.537748145251 | 1991 | 87.098317596399 | 1990 | 90.299269084556 | 1989 | 90.931266965273 | 1988 | 89.445161689331 | 1987 | 90.518191841235 | 1986 | 89.098511721924 | 1985 | 96.691318742744 | 1984 | 99.470618985562 | 1983 | 95.895020188425 | 1982 | 95.598845598846 | 1981 | 94.843508211451 | 1980 | 97.857414151344 | 1979 | 95.156245675219 | 1978 | 93.523890228799 | 1977 | 91.689644607843 | 1976 | 88.19849078231 | 1975 | 90.002381803025 | 1974 | 90.083424011607 | 1973 | 86.560895940271 | 1972 | 90.145732130465 | 1971 | 91.127008032129 | 1970 | 87.392315055381 | 1969 | 86.413803824032 | 1968 | 88.839438548442 | 1967 | 87.529033410756 | 1966 | 86.7285741923 | 1965 | 89.499801508535 | 1964 | 89.098055440629 | 1963 | 87.481402763018 | 1962 | 84.151351351351 | 1961 | 85.11038046031 | 1960 | 86.104028556859 |
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