| 年份 | 赞比亚 |
|---|---|
| 2023 | - |
| 2022 | 55.396 |
| 2021 | 54.9987 |
| 2020 | 54.5898 |
| 2019 | 54.1879 |
| 2018 | 53.81 |
| 2017 | 53.4613 |
| 2016 | 53.1354 |
| 2015 | 52.8264 |
| 2014 | 52.5332 |
| 2013 | 52.269 |
| 2012 | 52.0477 |
| 2011 | 51.8598 |
| 2010 | 51.6707 |
| 2009 | 51.4462 |
| 2008 | 51.2073 |
| 2007 | 50.9691 |
| 2006 | 50.7461 |
| 2005 | 50.5343 |
| 2004 | 50.3299 |
| 2003 | 50.1157 |
| 2002 | 49.8845 |
| 2001 | 49.6205 |
| 2000 | 49.3537 |
| 1999 | 49.1783 |
| 1998 | 49.0615 |
| 1997 | 48.9594 |
| 1996 | 48.8805 |
| 1995 | 48.859 |
| 1994 | 48.8448 |
| 1993 | 48.8078 |
| 1992 | 48.7545 |
| 1991 | 48.6829 |
| 1990 | 48.5905 |
| 1989 | 48.4919 |
| 1988 | 48.3846 |
| 1987 | 48.2548 |
| 1986 | 48.0975 |
| 1985 | 47.935 |
| 1984 | 47.7983 |
| 1983 | 47.6591 |
| 1982 | 47.4781 |
| 1981 | 47.3087 |
| 1980 | 47.2185 |
| 1979 | 47.2004 |
| 1978 | 47.2394 |
| 1977 | 47.3193 |
| 1976 | 47.4398 |
| 1975 | 47.6043 |
| 1974 | 47.8078 |
| 1973 | 48.0491 |
| 1972 | 48.3337 |
| 1971 | 48.6559 |
| 1970 | 49.013 |
| 1969 | 49.3021 |
| 1968 | 49.48 |
| 1967 | 49.6416 |
| 1966 | 49.8212 |
| 1965 | 50.0193 |
| 1964 | 50.2447 |
| 1963 | 50.5174 |
| 1962 | 50.7835 |
| 1961 | 51.0033 |
| 1960 | 51.2056 |