| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 5.45829 |
| 2021 | 5.20564 |
| 2020 | 5.00305 |
| 2019 | 4.86717 |
| 2018 | 4.74074 |
| 2017 | 4.58592 |
| 2016 | 4.40831 |
| 2015 | 4.22258 |
| 2014 | 4.0397 |
| 2013 | 3.86306 |
| 2012 | 3.69232 |
| 2011 | 3.52441 |
| 2010 | 3.35953 |
| 2009 | 3.20378 |
| 2008 | 3.06643 |
| 2007 | 2.96121 |
| 2006 | 2.89303 |
| 2005 | 2.86702 |
| 2004 | 2.8874 |
| 2003 | 2.95173 |
| 2002 | 3.04167 |
| 2001 | 3.15597 |
| 2000 | 3.28582 |
| 1999 | 3.41415 |
| 1998 | 3.54299 |
| 1997 | 3.66035 |
| 1996 | 3.76162 |
| 1995 | 3.84394 |
| 1994 | 3.88948 |
| 1993 | 3.8009 |
| 1992 | 3.6498 |
| 1991 | 3.51524 |
| 1990 | 3.3556 |
| 1989 | 3.20368 |
| 1988 | 3.18509 |
| 1987 | 3.28126 |
| 1986 | 3.31585 |
| 1985 | 3.30242 |
| 1984 | 3.28369 |
| 1983 | 3.27274 |
| 1982 | 3.24165 |
| 1981 | 3.19485 |
| 1980 | 3.00724 |
| 1979 | 2.87068 |
| 1978 | 3.01908 |
| 1977 | 3.19295 |
| 1976 | 3.30545 |
| 1975 | 3.39131 |
| 1974 | 3.4758 |
| 1973 | 3.56621 |
| 1972 | 3.66264 |
| 1971 | 3.749 |
| 1970 | 3.81605 |
| 1969 | 3.84858 |
| 1968 | 3.83849 |
| 1967 | 3.81146 |
| 1966 | 3.80547 |
| 1965 | 3.84398 |
| 1964 | 3.92516 |
| 1963 | 4.05484 |
| 1962 | 4.21635 |
| 1961 | 4.35548 |
| 1960 | 4.43531 |