| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | 2 |
| 2021 | 5.1 |
| 2020 | 1.8 |
| 2019 | 4 |
| 2018 | 1.4 |
| 2017 | -1.3 |
| 2016 | -10.4001 |
| 2015 | -21.8002 |
| 2014 | 9.10991 |
| 2013 | -5.8 |
| 2012 | 11.1373 |
| 2011 | -2.2422 |
| 2010 | 16.556 |
| 2009 | 22.1529 |
| 2008 | 1.8913 |
| 2007 | - |
| 2006 | - |
| 2005 | - |
| 2004 | - |
| 2003 | -40.7058 |
| 2002 | 148.332 |
| 2001 | 59.8713 |
| 2000 | 6.79175 |
| 1999 | 8.12579 |
| 1998 | 2.77384 |
| 1997 | 11.8427 |
| 1996 | -12.0155 |
| 1995 | -2.00001 |
| 1994 | -10.9937 |
| 1993 | -4.25538 |
| 1992 | -1.47857 |
| 1991 | -7.09559 |
| 1990 | -5.53254 |
| 1989 | -1.92156 |
| 1988 | 5.59081 |
| 1987 | -4.41683 |
| 1986 | 0.266845 |
| 1985 | 71.8239 |
| 1984 | 4.27917 |
| 1983 | 43.9265 |
| 1982 | -11.1561 |
| 1981 | -21.7816 |
| 1980 | -7.68623 |
| 1979 | -11.8953 |
| 1978 | -7.73666 |
| 1977 | 4.49522 |
| 1976 | 7.66129 |
| 1975 | -0.800917 |
| 1974 | -10.7135 |
| 1973 | 17.1548 |
| 1972 | -2.84548 |
| 1971 | 1.69197 |
| 1970 | 23.4694 |
| 1969 | -5.31399 |
| 1968 | -1.42859 |
| 1967 | 4.47761 |
| 1966 | 1.51513 |
| 1965 | -11.6071 |
| 1964 | 13.7056 |
| 1963 | -4.83091 |
| 1962 | 15.6424 |
| 1961 | 18.5431 |
| 1960 | - |