| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 2.25478 |
| 2021 | 2.18176 |
| 2020 | 2.11598 |
| 2019 | 2.04491 |
| 2018 | 1.97681 |
| 2017 | 1.92217 |
| 2016 | 1.88502 |
| 2015 | 1.86969 |
| 2014 | 1.88092 |
| 2013 | 1.91886 |
| 2012 | 1.97746 |
| 2011 | 2.03823 |
| 2010 | 2.09813 |
| 2009 | 2.1686 |
| 2008 | 2.24346 |
| 2007 | 2.31587 |
| 2006 | 2.40132 |
| 2005 | 2.47644 |
| 2004 | 2.51493 |
| 2003 | 2.49205 |
| 2002 | 2.42364 |
| 2001 | 2.36362 |
| 2000 | 2.29416 |
| 1999 | 2.2189 |
| 1998 | 2.21353 |
| 1997 | 2.25298 |
| 1996 | 2.2603 |
| 1995 | 2.24981 |
| 1994 | 2.21398 |
| 1993 | 2.14666 |
| 1992 | 2.06746 |
| 1991 | 2.01869 |
| 1990 | 2.0022 |
| 1989 | 1.99317 |
| 1988 | 1.97559 |
| 1987 | 1.94429 |
| 1986 | 1.94524 |
| 1985 | 1.97833 |
| 1984 | 2.01783 |
| 1983 | 2.0518 |
| 1982 | 2.12623 |
| 1981 | 2.22967 |
| 1980 | 2.79943 |
| 1979 | 3.3538 |
| 1978 | 3.07037 |
| 1977 | 2.73069 |
| 1976 | 2.59321 |
| 1975 | 2.56226 |
| 1974 | 2.57699 |
| 1973 | 2.63416 |
| 1972 | 2.69858 |
| 1971 | 2.73586 |
| 1970 | 2.72301 |
| 1969 | 2.70753 |
| 1968 | 2.69585 |
| 1967 | 2.65138 |
| 1966 | 2.60544 |
| 1965 | 2.58099 |
| 1964 | 2.57543 |
| 1963 | 2.58528 |
| 1962 | 2.61353 |
| 1961 | 2.64783 |
| 1960 | 2.67992 |