| 年份 | 赞比亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.23118 | 
| 2020 | 0.13899 | 
| 2019 | 0.115553 | 
| 2018 | 0.164819 | 
| 2017 | 0.0966563 | 
| 2016 | 0.0367635 | 
| 2015 | 0.0161177 | 
| 2014 | 0.0173226 | 
| 2013 | 0.0215838 | 
| 2012 | 0.0238959 | 
| 2011 | 0.000315343 | 
| 2010 | 0.000284657 | 
| 2009 | 0.000206888 | 
| 2008 | 0.000527262 | 
| 2007 | 0.0043651 | 
| 2006 | 0.0154837 | 
| 2005 | 0.0509403 | 
| 2004 | 0.0681266 | 
| 2003 | 0.0534393 | 
| 2002 | 0.0522864 | 
| 2001 | 0.0780233 | 
| 2000 | 0.0485168 | 
| 1999 | 0.0340714 | 
| 1998 | 0.0494284 | 
| 1997 | 0.0228886 | 
| 1996 | 0.0553429 | 
| 1995 | 0.0712242 | 
| 1994 | 0.055295 | 
| 1993 | 0.11997 | 
| 1992 | 0.216707 | 
| 1991 | 0.187071 | 
| 1990 | 0.216095 | 
| 1989 | 0.182288 | 
| 1988 | 0.210728 | 
| 1987 | 0.239691 | 
| 1986 | 0.539766 | 
| 1985 | 0.470829 | 
| 1984 | 0.35147 | 
| 1983 | 0.330689 | 
| 1982 | 0.573715 | 
| 1981 | 0.478457 | 
| 1980 | 0.365502 | 
| 1979 | 0.281463 | 
| 1978 | 0.403761 | 
| 1977 | 0.49301 | 
| 1976 | 0.475586 | 
| 1975 | 0.519859 | 
| 1974 | 0.223595 | 
| 1973 | 0.205727 | 
| 1972 | 0.20161 | 
| 1971 | 0.172108 | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |