| 年份 | 赞比亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 2.38647 | 
| 2021 | 3.25946 | 
| 2020 | -5.59573 | 
| 2019 | -1.56424 | 
| 2018 | 0.897347 | 
| 2017 | 0.331284 | 
| 2016 | 0.561271 | 
| 2015 | -0.312861 | 
| 2014 | 1.35293 | 
| 2013 | 1.6761 | 
| 2012 | 4.10328 | 
| 2011 | 2.0591 | 
| 2010 | 6.50755 | 
| 2009 | 5.40594 | 
| 2008 | 3.9931 | 
| 2007 | 4.59126 | 
| 2006 | 4.238 | 
| 2005 | 3.74143 | 
| 2004 | 3.68342 | 
| 2003 | 3.69183 | 
| 2002 | 1.36008 | 
| 2001 | 2.20832 | 
| 2000 | 1.06229 | 
| 1999 | 1.94391 | 
| 1998 | -2.92885 | 
| 1997 | 1.18674 | 
| 1996 | 3.61876 | 
| 1995 | 0.410354 | 
| 1994 | -10.8175 | 
| 1993 | 4.25896 | 
| 1992 | -4.09044 | 
| 1991 | -2.49785 | 
| 1990 | -3.00745 | 
| 1989 | -3.62565 | 
| 1988 | 3.37921 | 
| 1987 | -0.279613 | 
| 1986 | -2.26551 | 
| 1985 | -1.39946 | 
| 1984 | -3.36298 | 
| 1983 | -5.0872 | 
| 1982 | -5.89774 | 
| 1981 | 2.98078 | 
| 1980 | 0.0280771 | 
| 1979 | -5.85469 | 
| 1978 | -2.39426 | 
| 1977 | -7.36569 | 
| 1976 | 3.1173 | 
| 1975 | -5.08776 | 
| 1974 | 3.41137 | 
| 1973 | -3.72268 | 
| 1972 | 6.2234 | 
| 1971 | -2.77123 | 
| 1970 | 1.79482 | 
| 1969 | -3.54503 | 
| 1968 | -1.96527 | 
| 1967 | 4.50038 | 
| 1966 | -8.56132 | 
| 1965 | 12.972 | 
| 1964 | 8.68609 | 
| 1963 | 0.0233605 | 
| 1962 | -5.54149 | 
| 1961 | -1.78768 | 
| 1960 | - |