| 年份 | 赞比亚 |
|---|---|
| 2023 | - |
| 2022 | 13.1557 |
| 2021 | 13.1935 |
| 2020 | 13.2087 |
| 2019 | 13.2006 |
| 2018 | 13.1637 |
| 2017 | 13.1048 |
| 2016 | 13.0374 |
| 2015 | 12.9771 |
| 2014 | 12.9408 |
| 2013 | 12.9338 |
| 2012 | 12.9508 |
| 2011 | 12.9872 |
| 2010 | 13.0453 |
| 2009 | 13.1286 |
| 2008 | 13.2292 |
| 2007 | 13.3353 |
| 2006 | 13.4372 |
| 2005 | 13.5261 |
| 2004 | 13.604 |
| 2003 | 13.6825 |
| 2002 | 13.7694 |
| 2001 | 13.8716 |
| 2000 | 13.9757 |
| 1999 | 14.039 |
| 1998 | 14.0703 |
| 1997 | 14.0886 |
| 1996 | 14.0827 |
| 1995 | 14.0459 |
| 1994 | 14.0162 |
| 1993 | 14.0076 |
| 1992 | 14.0104 |
| 1991 | 14.0332 |
| 1990 | 14.0774 |
| 1989 | 14.1122 |
| 1988 | 14.124 |
| 1987 | 14.1286 |
| 1986 | 14.1322 |
| 1985 | 14.127 |
| 1984 | 14.1041 |
| 1983 | 14.0719 |
| 1982 | 14.0391 |
| 1981 | 13.9936 |
| 1980 | 13.9168 |
| 1979 | 13.8307 |
| 1978 | 13.7572 |
| 1977 | 13.694 |
| 1976 | 13.6288 |
| 1975 | 13.5497 |
| 1974 | 13.4489 |
| 1973 | 13.3235 |
| 1972 | 13.1763 |
| 1971 | 13.0122 |
| 1970 | 12.8399 |
| 1969 | 12.6962 |
| 1968 | 12.593 |
| 1967 | 12.5016 |
| 1966 | 12.4145 |
| 1965 | 12.3364 |
| 1964 | 12.2569 |
| 1963 | 12.1711 |
| 1962 | 12.1374 |
| 1961 | 12.1671 |
| 1960 | 12.209 |