| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 0.427057 |
| 2021 | 0.815977 |
| 2020 | 0.261761 |
| 2019 | 0.729567 |
| 2018 | 1.13781 |
| 2017 | 1.59234 |
| 2016 | 1.74198 |
| 2015 | 1.88631 |
| 2014 | 1.88779 |
| 2013 | 1.86822 |
| 2012 | 1.8595 |
| 2011 | 1.40716 |
| 2010 | 0.816251 |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | 1.98624 |
| 2005 | 1.45258 |
| 2004 | 2.70576 |
| 2003 | 2.03468 |
| 2002 | 6.30647 |
| 2001 | 2.5498 |
| 2000 | 3.05379 |
| 1999 | 2.23808 |
| 1998 | 2.82623 |
| 1997 | 2.99827 |
| 1996 | 2.88277 |
| 1995 | 3.18165 |
| 1994 | 3.11471 |
| 1993 | 3.3003 |
| 1992 | 3.80277 |
| 1991 | 3.97937 |
| 1990 | 4.1039 |
| 1989 | 4.93103 |
| 1988 | 5.20871 |
| 1987 | 5.82389 |
| 1986 | 5.50382 |
| 1985 | 5.48667 |
| 1984 | 5.67765 |
| 1983 | 5.56085 |
| 1982 | 5.12255 |
| 1981 | 4.86432 |
| 1980 | 6.62909 |
| 1979 | 8.52052 |
| 1978 | 7.99131 |
| 1977 | 6.53813 |
| 1976 | 4.62671 |
| 1975 | 3.39945 |
| 1974 | 2.977 |
| 1973 | 2.62585 |
| 1972 | 2.18284 |
| 1971 | 2.28806 |
| 1970 | 2.4387 |
| 1969 | 2.42277 |
| 1968 | 2.06813 |
| 1967 | 1.36006 |
| 1966 | 1.32246 |
| 1965 | 1.18957 |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |