| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 590.305 |
| 2021 | 595.664 |
| 2020 | 622.279 |
| 2019 | 652.703 |
| 2018 | 653.35 |
| 2017 | 660.126 |
| 2016 | 703.466 |
| 2015 | 774.412 |
| 2014 | 777.936 |
| 2013 | 754.172 |
| 2012 | 739.338 |
| 2011 | 703.123 |
| 2010 | 727.525 |
| 2009 | 662.923 |
| 2008 | 658.874 |
| 2007 | 661.772 |
| 2006 | 662.885 |
| 2005 | 682.354 |
| 2004 | 605.239 |
| 2003 | 473.468 |
| 2002 | 429.427 |
| 2001 | 409.704 |
| 2000 | 379.352 |
| 1999 | 396.012 |
| 1998 | 412.843 |
| 1997 | 399.388 |
| 1996 | 391.173 |
| 1995 | 399.999 |
| 1994 | 412.844 |
| 1993 | 383.259 |
| 1992 | 465.176 |
| 1991 | 449.281 |
| 1990 | 429.249 |
| 1989 | 460.327 |
| 1988 | 453.903 |
| 1987 | 406.558 |
| 1986 | 431.375 |
| 1985 | 463.363 |
| 1984 | 384.089 |
| 1983 | 381.132 |
| 1982 | 346.319 |
| 1981 | 344.668 |
| 1980 | 341.188 |
| 1979 | 363.586 |
| 1978 | 472.418 |
| 1977 | 483.038 |
| 1976 | 481.049 |
| 1975 | 476.154 |
| 1974 | 445.92 |
| 1973 | 434.357 |
| 1972 | 485.061 |
| 1971 | 490.038 |
| 1970 | 511.577 |
| 1969 | 512.329 |
| 1968 | 488.638 |
| 1967 | 500.115 |
| 1966 | 505.507 |
| 1965 | 524.427 |
| 1964 | 531.286 |
| 1963 | 555.686 |
| 1962 | 575.849 |
| 1961 | 557.278 |
| 1960 | 560.297 |