| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 5.92719 |
| 2021 | 6.03362 |
| 2020 | 6.0869 |
| 2019 | 6.06282 |
| 2018 | 5.99798 |
| 2017 | 5.91989 |
| 2016 | 5.8316 |
| 2015 | 5.73319 |
| 2014 | 5.62866 |
| 2013 | 5.58323 |
| 2012 | 5.58116 |
| 2011 | 5.53295 |
| 2010 | 5.45624 |
| 2009 | 5.38695 |
| 2008 | 5.33381 |
| 2007 | 5.29342 |
| 2006 | 5.28909 |
| 2005 | 5.29043 |
| 2004 | 5.28197 |
| 2003 | 5.31622 |
| 2002 | 5.39439 |
| 2001 | 5.49179 |
| 2000 | 5.60028 |
| 1999 | 5.73613 |
| 1998 | 5.90241 |
| 1997 | 6.07608 |
| 1996 | 6.23381 |
| 1995 | 6.35759 |
| 1994 | 6.38931 |
| 1993 | 6.31714 |
| 1992 | 6.24912 |
| 1991 | 6.2696 |
| 1990 | 6.32988 |
| 1989 | 6.38072 |
| 1988 | 6.40137 |
| 1987 | 6.39705 |
| 1986 | 6.45275 |
| 1985 | 6.55345 |
| 1984 | 6.64431 |
| 1983 | 6.70112 |
| 1982 | 6.77971 |
| 1981 | 6.89744 |
| 1980 | 7.27542 |
| 1979 | 7.46123 |
| 1978 | 7.033 |
| 1977 | 6.69548 |
| 1976 | 6.5669 |
| 1975 | 6.51729 |
| 1974 | 6.4947 |
| 1973 | 6.49301 |
| 1972 | 6.49459 |
| 1971 | 6.50487 |
| 1970 | 6.52882 |
| 1969 | 6.57807 |
| 1968 | 6.64157 |
| 1967 | 6.69873 |
| 1966 | 6.7527 |
| 1965 | 6.80608 |
| 1964 | 6.85501 |
| 1963 | 6.85885 |
| 1962 | 6.82499 |
| 1961 | 6.79378 |
| 1960 | 6.75905 |