| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 147.492 |
| 2021 | 124.302 |
| 2020 | 115.954 |
| 2019 | 122.644 |
| 2018 | 119.238 |
| 2017 | 113.545 |
| 2016 | 113.512 |
| 2015 | 115.125 |
| 2014 | 125.792 |
| 2013 | 124.985 |
| 2012 | 130.385 |
| 2011 | 128.97 |
| 2010 | 118.778 |
| 2009 | 111.643 |
| 2008 | 123.442 |
| 2007 | 113.616 |
| 2006 | 109.984 |
| 2005 | 100 |
| 2004 | 78.0567 |
| 2003 | 71.1325 |
| 2002 | 71.0764 |
| 2001 | 69.7457 |
| 2000 | 61.2893 |
| 1999 | 58.2101 |
| 1998 | 62.9794 |
| 1997 | 58.9974 |
| 1996 | 56.847 |
| 1995 | 51.0029 |
| 1994 | 46.8634 |
| 1993 | 32.6472 |
| 1992 | 33.0821 |
| 1991 | 37.9846 |
| 1990 | 36.8519 |
| 1989 | 34.1183 |
| 1988 | 34.5511 |
| 1987 | 31.5933 |
| 1986 | 32.6152 |
| 1985 | 39.2636 |
| 1984 | 41.3794 |
| 1983 | 33.3527 |
| 1982 | 33.3486 |
| 1981 | 30.5332 |
| 1980 | 28.2572 |
| 1979 | 25.9872 |
| 1978 | 24.02 |
| 1977 | 21.8563 |
| 1976 | 20.1222 |
| 1975 | 18.5544 |
| 1974 | 17.145 |
| 1973 | 16.5276 |
| 1972 | 15.4878 |
| 1971 | 14.6729 |
| 1970 | 13.4624 |
| 1969 | 12.9621 |
| 1968 | 12.6996 |
| 1967 | 12.4467 |
| 1966 | 12.0515 |
| 1965 | 11.3712 |
| 1964 | 10.7615 |
| 1963 | 9.94303 |
| 1962 | 9.412 |
| 1961 | 9.26975 |
| 1960 | 8.82305 |