| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 352.065 |
| 2020 | 344.715 |
| 2019 | 330.834 |
| 2018 | 337.13 |
| 2017 | 343.204 |
| 2016 | 346.831 |
| 2015 | 346.329 |
| 2014 | 351.758 |
| 2013 | 356.36 |
| 2012 | 358.029 |
| 2011 | 364.353 |
| 2010 | 369.211 |
| 2009 | 373.216 |
| 2008 | 370.456 |
| 2007 | 371.663 |
| 2006 | 376.699 |
| 2005 | 377.286 |
| 2004 | 373.339 |
| 2003 | 374.083 |
| 2002 | 374.774 |
| 2001 | 371.807 |
| 2000 | 372.68 |
| 1999 | 373.393 |
| 1998 | 371.862 |
| 1997 | 369.101 |
| 1996 | 368.824 |
| 1995 | 372.952 |
| 1994 | 373.926 |
| 1993 | 372.919 |
| 1992 | 368.346 |
| 1991 | 366.068 |
| 1990 | 359.857 |
| 1989 | 355.481 |
| 1988 | 355.905 |
| 1987 | 359.746 |
| 1986 | 349.434 |
| 1985 | 350.362 |
| 1984 | 351.47 |
| 1983 | 353.01 |
| 1982 | 363.899 |
| 1981 | 370.545 |
| 1980 | 379.346 |
| 1979 | 383.944 |
| 1978 | 389.101 |
| 1977 | 391.396 |
| 1976 | 394.337 |
| 1975 | 403.542 |
| 1974 | 402.518 |
| 1973 | 399.281 |
| 1972 | 397.994 |
| 1971 | 417.702 |
| 1970 | 404.741 |
| 1969 | 407.404 |
| 1968 | 410.673 |
| 1967 | 412.972 |
| 1966 | 415.67 |
| 1965 | 420.843 |
| 1964 | 414.536 |
| 1963 | 417.487 |
| 1962 | 420.685 |
| 1961 | 419.653 |
| 1960 | 421.427 |