| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 19.1755 |
| 2020 | - |
| 2019 | - |
| 2018 | 15.6737 |
| 2017 | 15.7409 |
| 2016 | 15.5208 |
| 2015 | 15.2224 |
| 2014 | - |
| 2013 | 17.8208 |
| 2012 | 15.8636 |
| 2011 | 17.2196 |
| 2010 | 16.8069 |
| 2009 | 17.0886 |
| 2008 | - |
| 2007 | - |
| 2006 | 11.966 |
| 2005 | - |
| 2004 | 10.9649 |
| 2003 | 10.5343 |
| 2002 | 10.5431 |
| 2001 | - |
| 2000 | 8.8617 |
| 1999 | - |
| 1998 | - |
| 1997 | - |
| 1996 | 6.86349 |
| 1995 | 6.07387 |
| 1994 | 6.35142 |
| 1993 | - |
| 1992 | - |
| 1991 | 4.57677 |
| 1990 | 4.64694 |
| 1989 | 3.99013 |
| 1988 | 4.1964 |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | 2.29016 |
| 1974 | 1.81775 |
| 1973 | - |
| 1972 | - |
| 1971 | 1.44008 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |