| 年份 | 乍得  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 50.4825 | 
| 2021 | 50.3203 | 
| 2020 | 50.1506 | 
| 2019 | 50.0238 | 
| 2018 | 49.8915 | 
| 2017 | 49.7469 | 
| 2016 | 49.6308 | 
| 2015 | 49.6149 | 
| 2014 | 49.6096 | 
| 2013 | 49.4572 | 
| 2012 | 49.3277 | 
| 2011 | 49.2297 | 
| 2010 | 49.1653 | 
| 2009 | 49.1797 | 
| 2008 | 49.1072 | 
| 2007 | 49.0359 | 
| 2006 | 49.046 | 
| 2005 | 49.0321 | 
| 2004 | 48.8287 | 
| 2003 | 48.4194 | 
| 2002 | 48.1921 | 
| 2001 | 48.2518 | 
| 2000 | 48.4186 | 
| 1999 | 48.5169 | 
| 1998 | 48.5756 | 
| 1997 | 48.7819 | 
| 1996 | 49.1107 | 
| 1995 | 48.9502 | 
| 1994 | 48.6396 | 
| 1993 | 49.2158 | 
| 1992 | 49.8137 | 
| 1991 | 49.5709 | 
| 1990 | 49.4734 | 
| 1989 | 49.7113 | 
| 1988 | 49.6486 | 
| 1987 | 49.5019 | 
| 1986 | 49.2365 | 
| 1985 | 49.1335 | 
| 1984 | 49.8836 | 
| 1983 | 50.5961 | 
| 1982 | 49.762 | 
| 1981 | 48.79 | 
| 1980 | 49.6861 | 
| 1979 | 50.6543 | 
| 1978 | 50.9155 | 
| 1977 | 51.3067 | 
| 1976 | 51.7077 | 
| 1975 | 52.0789 | 
| 1974 | 52.402 | 
| 1973 | 52.6927 | 
| 1972 | 52.9837 | 
| 1971 | 53.2386 | 
| 1970 | 53.4366 | 
| 1969 | 53.6149 | 
| 1968 | 53.7706 | 
| 1967 | 53.9087 | 
| 1966 | 54.0326 | 
| 1965 | 54.1296 | 
| 1964 | 54.3677 | 
| 1963 | 54.6991 | 
| 1962 | 54.9588 | 
| 1961 | 55.2042 | 
| 1960 | 55.4272 |