| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 39.7935 |
| 2020 | 41.0264 |
| 2019 | 43.0107 |
| 2018 | 42.69 |
| 2017 | 42.0168 |
| 2016 | 42.2095 |
| 2015 | 40.9567 |
| 2014 | 40.6461 |
| 2013 | 40.1603 |
| 2012 | 40.0662 |
| 2011 | 39.3694 |
| 2010 | 38.8799 |
| 2009 | 38.4763 |
| 2008 | 38.2353 |
| 2007 | 37.9757 |
| 2006 | 37.3972 |
| 2005 | 38.1066 |
| 2004 | 38.0127 |
| 2003 | 38.5107 |
| 2002 | 38.147 |
| 2001 | 38.1471 |
| 2000 | 37.2749 |
| 1999 | 37.6259 |
| 1998 | 37.4406 |
| 1997 | 37.6848 |
| 1996 | 37.3457 |
| 1995 | 36.9595 |
| 1994 | 36.5089 |
| 1993 | 36.3054 |
| 1992 | 35.5774 |
| 1991 | 35.2909 |
| 1990 | 30.3864 |
| 1989 | 34.8456 |
| 1988 | 35.1272 |
| 1987 | 25.3772 |
| 1986 | 33.3198 |
| 1985 | 33.7585 |
| 1984 | 32.1738 |
| 1983 | 31.5781 |
| 1982 | 31.2692 |
| 1981 | 30.6911 |
| 1980 | 30.6037 |
| 1979 | 30.2891 |
| 1978 | 29.8601 |
| 1977 | 29.4181 |
| 1976 | 29.1064 |
| 1975 | 29.7295 |
| 1974 | 29.5682 |
| 1973 | 29.4652 |
| 1972 | 28.0105 |
| 1971 | 26.5179 |
| 1970 | 27.3176 |
| 1969 | 27.0807 |
| 1968 | 26.7874 |
| 1967 | 26.1731 |
| 1966 | 25.8295 |
| 1965 | 26.8954 |
| 1964 | 27.4626 |
| 1963 | 27.2136 |
| 1962 | 27.0731 |
| 1961 | 26.7289 |
| 1960 | 26.3712 |