| 年份 | 乍得  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 1412.67 | 
| 2021 | 1425.49 | 
| 2020 | 1489.19 | 
| 2019 | 1562 | 
| 2018 | 1563.54 | 
| 2017 | 1579.76 | 
| 2016 | 1683.48 | 
| 2015 | 1853.26 | 
| 2014 | 1861.69 | 
| 2013 | 1804.82 | 
| 2012 | 1769.32 | 
| 2011 | 1682.66 | 
| 2010 | 1741.05 | 
| 2009 | 1586.45 | 
| 2008 | 1576.77 | 
| 2007 | 1583.7 | 
| 2006 | 1586.36 | 
| 2005 | 1632.95 | 
| 2004 | 1448.41 | 
| 2003 | 1133.07 | 
| 2002 | 1027.67 | 
| 2001 | 980.47 | 
| 2000 | 907.833 | 
| 1999 | 947.704 | 
| 1998 | 987.983 | 
| 1997 | 955.784 | 
| 1996 | 936.124 | 
| 1995 | 957.247 | 
| 1994 | 987.986 | 
| 1993 | 917.185 | 
| 1992 | 1113.22 | 
| 1991 | 1075.18 | 
| 1990 | 1027.24 | 
| 1989 | - | 
| 1988 | - | 
| 1987 | - | 
| 1986 | - | 
| 1985 | - | 
| 1984 | - | 
| 1983 | - | 
| 1982 | - | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |