| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 24.0919 |
| 2020 | - |
| 2019 | 20.9835 |
| 2018 | 20.7696 |
| 2017 | 21.354 |
| 2016 | 23.3515 |
| 2015 | 23.0287 |
| 2014 | 23.6399 |
| 2013 | 25.3764 |
| 2012 | 22.8527 |
| 2011 | 23.5768 |
| 2010 | 23.1053 |
| 2009 | 23.494 |
| 2008 | 21.4617 |
| 2007 | 18.8661 |
| 2006 | 16.3506 |
| 2005 | 15.9912 |
| 2004 | 15.6589 |
| 2003 | 15.2579 |
| 2002 | 13.8271 |
| 2001 | 13.0246 |
| 2000 | 11.2949 |
| 1999 | 10.5303 |
| 1998 | 9.9253 |
| 1997 | 9.01116 |
| 1996 | 8.67134 |
| 1995 | 8.37733 |
| 1994 | 7.31238 |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | 6.23263 |
| 1989 | 5.41996 |
| 1988 | - |
| 1987 | 5.22921 |
| 1986 | - |
| 1985 | 5.82891 |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | 3.0976 |
| 1976 | 2.64477 |
| 1975 | 2.33644 |
| 1974 | 2.13951 |
| 1973 | - |
| 1972 | 2.0396 |
| 1971 | 1.89187 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |