| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 39.9762 |
| 2020 | 39.9762 |
| 2019 | 39.9762 |
| 2018 | 39.9762 |
| 2017 | 39.9762 |
| 2016 | 39.9762 |
| 2015 | 39.896 |
| 2014 | 39.8952 |
| 2013 | 39.7363 |
| 2012 | 39.4576 |
| 2011 | 39.1796 |
| 2010 | 39.1002 |
| 2009 | 38.9414 |
| 2008 | 38.8588 |
| 2007 | 38.8588 |
| 2006 | 38.858 |
| 2005 | 38.858 |
| 2004 | 38.7786 |
| 2003 | 38.7786 |
| 2002 | 38.6992 |
| 2001 | 38.6992 |
| 2000 | 38.6198 |
| 1999 | 38.6198 |
| 1998 | 38.6198 |
| 1997 | 38.6198 |
| 1996 | 38.4609 |
| 1995 | 38.4768 |
| 1994 | 38.453 |
| 1993 | 38.4371 |
| 1992 | 38.4133 |
| 1991 | 38.3974 |
| 1990 | 38.3577 |
| 1989 | 38.318 |
| 1988 | 38.3021 |
| 1987 | 38.2822 |
| 1986 | 38.2822 |
| 1985 | 38.2425 |
| 1984 | 38.2386 |
| 1983 | 38.2386 |
| 1982 | 38.2386 |
| 1981 | 38.2386 |
| 1980 | 38.2386 |
| 1979 | 38.2386 |
| 1978 | 38.2386 |
| 1977 | 38.1989 |
| 1976 | 38.1989 |
| 1975 | 38.1194 |
| 1974 | 38.0438 |
| 1973 | 38.0238 |
| 1972 | 38.0159 |
| 1971 | 38.0159 |
| 1970 | 38.0159 |
| 1969 | 38.0159 |
| 1968 | 38.0159 |
| 1967 | 38.0159 |
| 1966 | 38.0159 |
| 1965 | 38.0159 |
| 1964 | 38.0159 |
| 1963 | 38.0159 |
| 1962 | 38.0159 |
| 1961 | 38.0159 |
| 1960 | - |