| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 90.7628 |
| 2021 | 82.9848 |
| 2020 | 68.7304 |
| 2019 | 74.5705 |
| 2018 | 74.2048 |
| 2017 | 73.575 |
| 2016 | 63.2969 |
| 2015 | 66.5642 |
| 2014 | 76.6265 |
| 2013 | 72.6489 |
| 2012 | 80.5756 |
| 2011 | 80.6811 |
| 2010 | 80.3907 |
| 2009 | 77.1095 |
| 2008 | 80.2897 |
| 2007 | 84.731 |
| 2006 | 95.9132 |
| 2005 | 85.8467 |
| 2004 | 101.769 |
| 2003 | 83.3789 |
| 2002 | 126.351 |
| 2001 | 64.3219 |
| 2000 | 51.5712 |
| 1999 | 50.5079 |
| 1998 | 48.059 |
| 1997 | 49.3131 |
| 1996 | 46.61 |
| 1995 | 55.6966 |
| 1994 | 50.9883 |
| 1993 | 42.6473 |
| 1992 | 35.9046 |
| 1991 | 36.3495 |
| 1990 | 41.387 |
| 1989 | 45.1901 |
| 1988 | 45.1234 |
| 1987 | 51.8817 |
| 1986 | 48.7699 |
| 1985 | 43.2337 |
| 1984 | 42.0708 |
| 1983 | 39.9604 |
| 1982 | 20.0568 |
| 1981 | 37.7618 |
| 1980 | 45.8106 |
| 1979 | 52.4162 |
| 1978 | 44.3903 |
| 1977 | 43.7267 |
| 1976 | 42.4682 |
| 1975 | 40.2533 |
| 1974 | 45.1948 |
| 1973 | 39.229 |
| 1972 | 33.9492 |
| 1971 | 36.97 |
| 1970 | 38.3096 |
| 1969 | 30.9057 |
| 1968 | 33.626 |
| 1967 | 32.526 |
| 1966 | 31.8758 |
| 1965 | 31.3133 |
| 1964 | 35.0571 |
| 1963 | 32.1603 |
| 1962 | 33.6593 |
| 1961 | 32.4678 |
| 1960 | 30.4272 |