| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 9.057 |
| 2020 | 8.132 |
| 2019 | 8.043 |
| 2018 | 7.972 |
| 2017 | 8.266 |
| 2016 | 8.441 |
| 2015 | 8.774 |
| 2014 | 9.123 |
| 2013 | 9.787 |
| 2012 | 10.691 |
| 2011 | 11.857 |
| 2010 | 13.281 |
| 2009 | 14.804 |
| 2008 | 15.604 |
| 2007 | 16.27 |
| 2006 | 16.436 |
| 2005 | 16.82 |
| 2004 | 16.989 |
| 2003 | 17.805 |
| 2002 | 16.953 |
| 2001 | 19.048 |
| 2000 | 16.801 |
| 1999 | 16.301 |
| 1998 | 15.15 |
| 1997 | 14.357 |
| 1996 | 13.755 |
| 1995 | 12.825 |
| 1994 | 11.755 |
| 1993 | 10.829 |
| 1992 | 9.947 |
| 1991 | 9.259 |
| 1990 | 8.747 |
| 1989 | 8.424 |
| 1988 | 8.17 |
| 1987 | 8.117 |
| 1986 | 8.17 |
| 1985 | 8.492 |
| 1984 | 8.91 |
| 1983 | 9.442 |
| 1982 | 9.776 |
| 1981 | 10.122 |
| 1980 | 11.069 |
| 1979 | 12.561 |
| 1978 | 12.592 |
| 1977 | 11.821 |
| 1976 | 11.561 |
| 1975 | 11.3 |
| 1974 | 11.308 |
| 1973 | 11.339 |
| 1972 | 11.302 |
| 1971 | 11.373 |
| 1970 | 11.441 |
| 1969 | 11.629 |
| 1968 | 11.813 |
| 1967 | 12.02 |
| 1966 | 12.259 |
| 1965 | 12.566 |
| 1964 | 12.899 |
| 1963 | 13.235 |
| 1962 | 13.585 |
| 1961 | 13.919 |
| 1960 | 14.221 |