| 年份 | 赞比亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.973 |
| 2020 | 6.602 |
| 2019 | 6.571 |
| 2018 | 6.748 |
| 2017 | 6.809 |
| 2016 | 6.941 |
| 2015 | 7.196 |
| 2014 | 7.408 |
| 2013 | 7.788 |
| 2012 | 8.267 |
| 2011 | 8.763 |
| 2010 | 9.219 |
| 2009 | 9.961 |
| 2008 | 10.67 |
| 2007 | 11.351 |
| 2006 | 11.933 |
| 2005 | 12.659 |
| 2004 | 13.45 |
| 2003 | 14.32 |
| 2002 | 15.292 |
| 2001 | 16.145 |
| 2000 | 16.876 |
| 1999 | 17.4 |
| 1998 | 17.509 |
| 1997 | 17.511 |
| 1996 | 17.483 |
| 1995 | 17.434 |
| 1994 | 17.392 |
| 1993 | 17.315 |
| 1992 | 17.243 |
| 1991 | 17.001 |
| 1990 | 16.597 |
| 1989 | 16.239 |
| 1988 | 15.836 |
| 1987 | 15.438 |
| 1986 | 15.053 |
| 1985 | 14.602 |
| 1984 | 14.157 |
| 1983 | 13.828 |
| 1982 | 13.614 |
| 1981 | 13.533 |
| 1980 | 13.52 |
| 1979 | 13.436 |
| 1978 | 13.394 |
| 1977 | 13.371 |
| 1976 | 13.444 |
| 1975 | 13.656 |
| 1974 | 13.909 |
| 1973 | 14.302 |
| 1972 | 14.751 |
| 1971 | 15.171 |
| 1970 | 15.527 |
| 1969 | 15.775 |
| 1968 | 15.975 |
| 1967 | 16.042 |
| 1966 | 16.14 |
| 1965 | 16.234 |
| 1964 | 16.685 |
| 1963 | 16.558 |
| 1962 | 16.789 |
| 1961 | 17.019 |
| 1960 | 17.285 |