| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.39845 |
| 2020 | 4.74667 |
| 2019 | 4.71577 |
| 2018 | 3.37819 |
| 2017 | 6.09545 |
| 2016 | 4.49541 |
| 2015 | 4.60619 |
| 2014 | 5.62126 |
| 2013 | 5.04284 |
| 2012 | 5.96773 |
| 2011 | 7.87939 |
| 2010 | 7.09847 |
| 2009 | 6.76261 |
| 2008 | 18.323 |
| 2007 | 15.5592 |
| 2006 | 11.4813 |
| 2005 | 8.55821 |
| 2004 | 8.43731 |
| 2003 | 6.98218 |
| 2002 | 5.17219 |
| 2001 | 4.02799 |
| 2000 | 3.90171 |
| 1999 | 3.70089 |
| 1998 | 5.5908 |
| 1997 | 6.77129 |
| 1996 | 7.99043 |
| 1995 | 8.54429 |
| 1994 | 9.48703 |
| 1993 | 8.72439 |
| 1992 | 10.8168 |
| 1991 | 9.66419 |
| 1990 | 4.21248 |
| 1989 | 4.75824 |
| 1988 | 4.957 |
| 1987 | 4.00834 |
| 1986 | 3.73094 |
| 1985 | 3.84666 |
| 1984 | 3.71937 |
| 1983 | 3.52218 |
| 1982 | 4.04999 |
| 1981 | 4.17836 |
| 1980 | 6.02399 |
| 1979 | 5.00475 |
| 1978 | 4.33538 |
| 1977 | 4.89768 |
| 1976 | 4.24955 |
| 1975 | 3.38833 |
| 1974 | 3.64258 |
| 1973 | 3.08145 |
| 1972 | 2.27111 |
| 1971 | 2.93465 |
| 1970 | 3.27505 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |