| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 11.6145 |
| 2021 | -5.48452 |
| 2020 | -15.2981 |
| 2019 | -1.08602 |
| 2018 | -1.82339 |
| 2017 | -5.82908 |
| 2016 | -10.7069 |
| 2015 | -6.56064 |
| 2014 | -8.3038 |
| 2013 | -5.51773 |
| 2012 | -3.63951 |
| 2011 | -2.92656 |
| 2010 | -6.6995 |
| 2009 | -6.83276 |
| 2008 | 5.09934 |
| 2007 | 4.27596 |
| 2006 | -0.744346 |
| 2005 | 10.1078 |
| 2004 | 0.249125 |
| 2003 | -34.113 |
| 2002 | -100.971 |
| 2001 | -34.9903 |
| 2000 | -17.791 |
| 1999 | -13.8716 |
| 1998 | -11.0757 |
| 1997 | -12.2254 |
| 1996 | -11.523 |
| 1995 | -11.8385 |
| 1994 | -18.7771 |
| 1993 | -16.0004 |
| 1992 | -13.7231 |
| 1991 | -12.4463 |
| 1990 | -14.4266 |
| 1989 | -17.6272 |
| 1988 | -15.0851 |
| 1987 | -20.9832 |
| 1986 | -21.9817 |
| 1985 | -19.4204 |
| 1984 | -6.03522 |
| 1983 | -7.12265 |
| 1982 | -6.93285 |
| 1981 | -7.56086 |
| 1980 | -11.9208 |
| 1979 | -16.859 |
| 1978 | -11.5448 |
| 1977 | -13.0186 |
| 1976 | -10.3003 |
| 1975 | -11.4479 |
| 1974 | -8.41266 |
| 1973 | -7.77148 |
| 1972 | -4.81896 |
| 1971 | -5.14524 |
| 1970 | -5.78989 |
| 1969 | -4.49209 |
| 1968 | -3.74402 |
| 1967 | -3.80224 |
| 1966 | -4.0506 |
| 1965 | -4.31278 |
| 1964 | -7.60183 |
| 1963 | -6.26372 |
| 1962 | -5.59857 |
| 1961 | -4.64574 |
| 1960 | -3.64792 |