| 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 | - |