| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 4.24066 |
| 2020 | 2.2457 |
| 2019 | 2.41108 |
| 2018 | 1.64634 |
| 2017 | 1.71235 |
| 2016 | 0.903846 |
| 2015 | 0.804563 |
| 2014 | 1.48488 |
| 2013 | 1.51174 |
| 2012 | 1.96166 |
| 2011 | 3.02583 |
| 2010 | 2.28457 |
| 2009 | 0.912793 |
| 2008 | 2.40577 |
| 2007 | 5.52928 |
| 2006 | 4.45015 |
| 2005 | 1.94565 |
| 2004 | 2.06464 |
| 2003 | 1.21504 |
| 2002 | 1.32031 |
| 2001 | 0.564823 |
| 2000 | 0.801847 |
| 1999 | 0.7036 |
| 1998 | 0.804858 |
| 1997 | 3.10029 |
| 1996 | 3.99008 |
| 1995 | 3.69421 |
| 1994 | 5.96145 |
| 1993 | 5.66061 |
| 1992 | 7.00988 |
| 1991 | 6.55682 |
| 1990 | 1.22929 |
| 1989 | 2.05932 |
| 1988 | 2.39014 |
| 1987 | 1.32615 |
| 1986 | 0.993888 |
| 1985 | 1.29179 |
| 1984 | 1.39471 |
| 1983 | 1.48564 |
| 1982 | 1.02647 |
| 1981 | 1.6411 |
| 1980 | 3.21178 |
| 1979 | 2.10075 |
| 1978 | 0.902718 |
| 1977 | 1.54666 |
| 1976 | 1.66461 |
| 1975 | 1.10906 |
| 1974 | 2.08041 |
| 1973 | 1.72265 |
| 1972 | 1.20151 |
| 1971 | 1.3198 |
| 1970 | 1.95593 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |