Year | Value | 2022 | 73.856604246969 | 2021 | 86.511186384219 | 2020 | 94.742976181134 | 2019 | 79.672605978224 | 2018 | 80.955879903043 | 2017 | 84.488874373331 | 2016 | 79.587307513369 | 2015 | 78.46523671764 | 2014 | 74.544086285818 | 2013 | 76.265185501269 | 2012 | 72.539246925832 | 2011 | 74.454428312447 | 2010 | 72.22044077849 | 2009 | 76.601676557001 | 2008 | 73.021630429891 | 2007 | 73.408839525799 | 2006 | 78.55146526206 | 2005 | 69.18788991595 | 2004 | 75.467002894089 | 2003 | 81.478171639093 | 2002 | 140.8147536269 | 2001 | 94.739956038152 | 2000 | 94.517076930332 | 1999 | 100.18012562646 | 1998 | 95.880132908338 | 1997 | 92.930407721457 | 1996 | 90.839585487942 | 1995 | 98.300103552978 | 1994 | 102.11409647293 | 1993 | 102.60178158766 | 1992 | 102.26806580136 | 1991 | 101.6300958583 | 1990 | 107.67309948487 | 1989 | 104.89365513143 | 1988 | 103.34009490251 | 1987 | 107.9766368754 | 1986 | 111.05476999857 | 1985 | 109.23924425257 | 1984 | 101.20482702817 | 1983 | 99.503783844103 | 1982 | 98.999308857738 | 1978 | 86.975776768639 | 1977 | 86.867054205636 | 1976 | 84.838630494361 | 1975 | 82.292797952716 | 1974 | 79.826248644551 | 1973 | 82.826427530861 | 1972 | 78.90747672269 | 1971 | 78.220987244735 | 1970 | 79.065724466449 | 1969 | 76.842305138955 | 1968 | 78.236781839536 | 1967 | 77.89010118865 | 1966 | 81.271759789128 | 1965 | 84.19053441497 | 1964 | 84.47730290774 | 1963 | 82.584781705072 | 1962 | 85.444634387951 | 1961 | 81.028101352904 | 1960 | 80.982686917658 |
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