| 年份 | 赞比亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 32.068 |
| 2020 | 32.068 |
| 2019 | 32.068 |
| 2018 | 32.068 |
| 2017 | 32.068 |
| 2016 | 31.9334 |
| 2015 | 31.9334 |
| 2014 | 31.9321 |
| 2013 | 31.9307 |
| 2012 | 32.0639 |
| 2011 | 31.7949 |
| 2010 | 31.5258 |
| 2009 | 31.7276 |
| 2008 | 31.0564 |
| 2007 | 30.9178 |
| 2006 | 31.0039 |
| 2005 | 30.6192 |
| 2004 | 30.8008 |
| 2003 | 30.8169 |
| 2002 | 30.4228 |
| 2001 | 30.3407 |
| 2000 | 30.3017 |
| 1999 | 30.0704 |
| 1998 | 29.8282 |
| 1997 | 29.6036 |
| 1996 | 29.3709 |
| 1995 | 29.1274 |
| 1994 | 28.8852 |
| 1993 | 28.5207 |
| 1992 | 28.3364 |
| 1991 | 28.0149 |
| 1990 | 27.9947 |
| 1989 | 27.9261 |
| 1988 | 27.7338 |
| 1987 | 27.6046 |
| 1986 | 27.4741 |
| 1985 | 27.3463 |
| 1984 | 27.2024 |
| 1983 | 27.0867 |
| 1982 | 26.9562 |
| 1981 | 26.8406 |
| 1980 | 26.6966 |
| 1979 | 26.6078 |
| 1978 | 27.1123 |
| 1977 | 27.2724 |
| 1976 | 27.2603 |
| 1975 | 27.2226 |
| 1974 | 27.1755 |
| 1973 | 27.0975 |
| 1972 | 27.0289 |
| 1971 | 26.9751 |
| 1970 | 26.7343 |
| 1969 | 26.6401 |
| 1968 | 26.5473 |
| 1967 | 26.4478 |
| 1966 | 26.3751 |
| 1965 | 26.2487 |
| 1964 | 26.176 |
| 1963 | 26.102 |
| 1962 | 26.0429 |
| 1961 | 25.9716 |
| 1960 | - |