| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 98.6822 |
| 2021 | 98.1992 |
| 2020 | - |
| 2019 | 96.1576 |
| 2018 | 97.4864 |
| 2017 | 86.8447 |
| 2016 | 96.046 |
| 2015 | 102.445 |
| 2014 | 115.344 |
| 2013 | 114.128 |
| 2012 | 106.617 |
| 2011 | 102.617 |
| 2010 | 96.0683 |
| 2009 | 97.2681 |
| 2008 | 91.9424 |
| 2007 | 82.8717 |
| 2006 | 85.1888 |
| 2005 | 85.8687 |
| 2004 | 90.7098 |
| 2003 | 86.2239 |
| 2002 | 84.5328 |
| 2001 | 79.9424 |
| 2000 | 78.1187 |
| 1999 | 76.6113 |
| 1998 | 77.1496 |
| 1997 | 70.9919 |
| 1996 | 65.4962 |
| 1995 | 63.7045 |
| 1994 | 66.4983 |
| 1993 | 71.1188 |
| 1992 | 75.4975 |
| 1991 | 73.2094 |
| 1990 | 71.6789 |
| 1989 | 64.7647 |
| 1988 | 65.7503 |
| 1987 | 54.3109 |
| 1986 | 55.0128 |
| 1985 | 48.4778 |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | 48.2187 |
| 1976 | 48.1859 |
| 1975 | 46.7276 |
| 1974 | 47.8333 |
| 1973 | 46.191 |
| 1972 | 46.7877 |
| 1971 | 47.5681 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |