| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.290131 |
| 2020 | 0.207429 |
| 2019 | 0.257755 |
| 2018 | 0.416093 |
| 2017 | 0.605956 |
| 2016 | 0.231273 |
| 2015 | 0.517086 |
| 2014 | 0.977101 |
| 2013 | 0.732306 |
| 2012 | 1.00943 |
| 2011 | 1.75608 |
| 2010 | 1.62754 |
| 2009 | 1.20077 |
| 2008 | 6.30028 |
| 2007 | 2.98951 |
| 2006 | 2.49989 |
| 2005 | 2.22607 |
| 2004 | 2.004 |
| 2003 | 0.837019 |
| 2002 | 0.851103 |
| 2001 | 1.14538 |
| 2000 | 0.716747 |
| 1999 | 0.561612 |
| 1998 | 0.740667 |
| 1997 | 0.689043 |
| 1996 | 0.896583 |
| 1995 | 1.2663 |
| 1994 | 0.985143 |
| 1993 | 1.11711 |
| 1992 | 1.62583 |
| 1991 | 1.42934 |
| 1990 | 1.28192 |
| 1989 | 1.1356 |
| 1988 | 0.986163 |
| 1987 | 0.9593 |
| 1986 | 1.06184 |
| 1985 | 1.28569 |
| 1984 | 0.91843 |
| 1983 | 0.904828 |
| 1982 | 1.24516 |
| 1981 | 1.21487 |
| 1980 | 1.15298 |
| 1979 | 1.17148 |
| 1978 | 1.38268 |
| 1977 | 1.46115 |
| 1976 | 1.61765 |
| 1975 | 1.22752 |
| 1974 | 0.749199 |
| 1973 | 0.512104 |
| 1972 | 0.470916 |
| 1971 | 0.626787 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |