| 年份 | 赞比亚 |
|---|---|
| 2023 | - |
| 2022 | 1.6921 |
| 2021 | 1.65361 |
| 2020 | 1.6137 |
| 2019 | 1.56858 |
| 2018 | 1.51994 |
| 2017 | 1.47032 |
| 2016 | 1.42032 |
| 2015 | 1.37084 |
| 2014 | 1.32298 |
| 2013 | 1.27784 |
| 2012 | 1.2368 |
| 2011 | 1.2007 |
| 2010 | 1.17007 |
| 2009 | 1.14319 |
| 2008 | 1.12004 |
| 2007 | 1.10931 |
| 2006 | 1.11376 |
| 2005 | 1.12628 |
| 2004 | 1.14707 |
| 2003 | 1.17641 |
| 2002 | 1.20218 |
| 2001 | 1.22096 |
| 2000 | 1.2427 |
| 1999 | 1.27147 |
| 1998 | 1.30769 |
| 1997 | 1.34879 |
| 1996 | 1.39089 |
| 1995 | 1.43171 |
| 1994 | 1.46951 |
| 1993 | 1.5025 |
| 1992 | 1.53114 |
| 1991 | 1.55918 |
| 1990 | 1.58877 |
| 1989 | 1.61918 |
| 1988 | 1.64988 |
| 1987 | 1.68107 |
| 1986 | 1.71159 |
| 1985 | 1.74063 |
| 1984 | 1.76804 |
| 1983 | 1.7929 |
| 1982 | 1.81601 |
| 1981 | 1.84042 |
| 1980 | 1.86771 |
| 1979 | 1.89776 |
| 1978 | 1.93108 |
| 1977 | 1.96669 |
| 1976 | 2.00096 |
| 1975 | 2.03153 |
| 1974 | 2.05814 |
| 1973 | 2.08043 |
| 1972 | 2.0989 |
| 1971 | 2.11535 |
| 1970 | 2.13072 |
| 1969 | 2.14524 |
| 1968 | 2.15967 |
| 1967 | 2.17291 |
| 1966 | 2.18172 |
| 1965 | 2.18473 |
| 1964 | 2.18222 |
| 1963 | 2.1725 |
| 1962 | 2.15759 |
| 1961 | 2.14507 |
| 1960 | 2.13935 |