| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 0.324511 |
| 2021 | 0.336712 |
| 2020 | 0.347281 |
| 2019 | 0.351667 |
| 2018 | 0.356096 |
| 2017 | 0.363901 |
| 2016 | 0.373816 |
| 2015 | 0.384971 |
| 2014 | 0.397167 |
| 2013 | 0.409798 |
| 2012 | 0.421374 |
| 2011 | 0.429425 |
| 2010 | 0.43325 |
| 2009 | 0.433773 |
| 2008 | 0.431074 |
| 2007 | 0.426344 |
| 2006 | 0.423604 |
| 2005 | 0.421117 |
| 2004 | 0.416818 |
| 2003 | 0.414857 |
| 2002 | 0.415833 |
| 2001 | 0.418503 |
| 2000 | 0.420974 |
| 1999 | 0.423411 |
| 1998 | 0.426121 |
| 1997 | 0.429103 |
| 1996 | 0.432045 |
| 1995 | 0.434796 |
| 1994 | 0.416613 |
| 1993 | 0.377771 |
| 1992 | 0.350469 |
| 1991 | 0.337169 |
| 1990 | 0.328121 |
| 1989 | 0.320585 |
| 1988 | 0.313964 |
| 1987 | 0.307669 |
| 1986 | 0.303618 |
| 1985 | 0.302357 |
| 1984 | 0.303689 |
| 1983 | 0.306051 |
| 1982 | 0.309379 |
| 1981 | 0.313861 |
| 1980 | 0.333022 |
| 1979 | 0.351985 |
| 1978 | 0.345903 |
| 1977 | 0.3385 |
| 1976 | 0.336481 |
| 1975 | 0.336074 |
| 1974 | 0.335398 |
| 1973 | 0.334089 |
| 1972 | 0.331409 |
| 1971 | 0.328022 |
| 1970 | 0.324362 |
| 1969 | 0.321306 |
| 1968 | 0.319181 |
| 1967 | 0.317129 |
| 1966 | 0.314629 |
| 1965 | 0.311337 |
| 1964 | 0.307164 |
| 1963 | 0.302048 |
| 1962 | 0.295968 |
| 1961 | 0.289254 |
| 1960 | 0.282196 |