Year | Value | 2022 | 79.661519294776 | 2021 | 89.382864875439 | 2020 | 86.997133947463 | 2019 | 84.438330284564 | 2018 | 85.289385305147 | 2017 | 86.955234383985 | 2016 | 84.600361805679 | 2015 | 83.833867578097 | 2014 | 82.7397906522 | 2013 | 82.624604903731 | 2012 | 83.570575492887 | 2011 | 88.054164341169 | 2010 | 86.936694636042 | 2009 | 91.084285894011 | 2008 | 86.906671813023 | 2007 | 90.455941623938 | 2006 | 88.98198947218 | 2005 | 90.189479529583 | 2004 | 95.94979096078 | 2003 | 92.904049504603 | 2002 | 92.370766666459 | 2001 | 92.30959178291 | 2000 | 92.891185401018 | 1999 | 94.864422552182 | 1998 | 92.452920689702 | 1997 | 92.468401550282 | 1996 | 91.280855412043 | 1995 | 93.668097620481 | 1994 | 94.377872593328 | 1993 | 97.749089834256 | 1992 | 96.642113414139 | 1991 | 94.209852397011 | 1990 | 94.194695191108 | 1989 | 93.019335702495 | 1988 | 86.235268054442 | 1987 | 92.724337248924 | 1986 | 89.073081047831 | 1985 | 99.39008459329 | 1984 | 100.89936779829 | 1983 | 93.542095699102 | 1982 | 94.536869120675 | 1981 | 91.752282420411 | 1980 | 85.426968407884 | 1979 | 82.497229221767 | 1978 | 82.304490149504 | 1977 | 90.004553174484 | 1976 | 97.864457631329 | 1975 | 97.432956054877 | 1974 | 101.64723644184 | 1973 | 93.282986500739 | 1972 | 95.211629732184 | 1971 | 95.454764842109 | 1970 | 97.478622415501 | 1969 | 100.89274441691 | 1968 | 96.619294468437 | 1967 | 97.277008007529 | 1966 | 95.790929136058 | 1965 | 96.560659815957 | 1964 | 94.033555992636 | 1963 | 88.695773665728 | 1962 | 93.788886469546 | 1961 | 94.676452451294 | 1960 | 93.610350108359 |
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