| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 15.1331 |
| 2021 | 15.3414 |
| 2020 | 15.5682 |
| 2019 | 15.8502 |
| 2018 | 16.1826 |
| 2017 | 16.5422 |
| 2016 | 16.8958 |
| 2015 | 17.1943 |
| 2014 | 17.3783 |
| 2013 | 17.3947 |
| 2012 | 17.2584 |
| 2011 | 17.0257 |
| 2010 | 16.7948 |
| 2009 | 16.6502 |
| 2008 | 16.6151 |
| 2007 | 16.6851 |
| 2006 | 16.828 |
| 2005 | 16.9526 |
| 2004 | 16.9708 |
| 2003 | 16.8822 |
| 2002 | 16.6842 |
| 2001 | 16.3892 |
| 2000 | 16.0445 |
| 1999 | 15.7482 |
| 1998 | 15.5705 |
| 1997 | 15.5125 |
| 1996 | 15.5323 |
| 1995 | 15.6361 |
| 1994 | 15.8067 |
| 1993 | 16.0217 |
| 1992 | 16.3087 |
| 1991 | 16.6816 |
| 1990 | 17.168 |
| 1989 | 17.7593 |
| 1988 | 18.3625 |
| 1987 | 18.8465 |
| 1986 | 19.2349 |
| 1985 | 19.5137 |
| 1984 | 19.5665 |
| 1983 | 19.4464 |
| 1982 | 19.4006 |
| 1981 | 19.4846 |
| 1980 | 20.7341 |
| 1979 | 22.0795 |
| 1978 | 21.5886 |
| 1977 | 20.912 |
| 1976 | 20.593 |
| 1975 | 20.4154 |
| 1974 | 20.2757 |
| 1973 | 20.1652 |
| 1972 | 20.0461 |
| 1971 | 19.9256 |
| 1970 | 19.7956 |
| 1969 | 19.7197 |
| 1968 | 19.7107 |
| 1967 | 19.7123 |
| 1966 | 19.7209 |
| 1965 | 19.7312 |
| 1964 | 19.744 |
| 1963 | 19.7616 |
| 1962 | 19.7812 |
| 1961 | 19.8029 |
| 1960 | 19.829 |