| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 3.4854 |
| 2021 | 3.35304 |
| 2020 | 3.20309 |
| 2019 | 3.04419 |
| 2018 | 2.89189 |
| 2017 | 2.75729 |
| 2016 | 2.64308 |
| 2015 | 2.54506 |
| 2014 | 2.45947 |
| 2013 | 2.38825 |
| 2012 | 2.33572 |
| 2011 | 2.2981 |
| 2010 | 2.27993 |
| 2009 | 2.29184 |
| 2008 | 2.32909 |
| 2007 | 2.38381 |
| 2006 | 2.46314 |
| 2005 | 2.55661 |
| 2004 | 2.65299 |
| 2003 | 2.76469 |
| 2002 | 2.88201 |
| 2001 | 3.00294 |
| 2000 | 3.12035 |
| 1999 | 3.22063 |
| 1998 | 3.23452 |
| 1997 | 3.16153 |
| 1996 | 3.07525 |
| 1995 | 2.97182 |
| 1994 | 2.84096 |
| 1993 | 2.76299 |
| 1992 | 2.72151 |
| 1991 | 2.66674 |
| 1990 | 2.62281 |
| 1989 | 2.56787 |
| 1988 | 2.48023 |
| 1987 | 2.36195 |
| 1986 | 2.29109 |
| 1985 | 2.27393 |
| 1984 | 2.27472 |
| 1983 | 2.28056 |
| 1982 | 2.34181 |
| 1981 | 2.45192 |
| 1980 | 2.983 |
| 1979 | 3.52756 |
| 1978 | 3.36541 |
| 1977 | 3.15261 |
| 1976 | 3.08954 |
| 1975 | 3.07762 |
| 1974 | 3.06394 |
| 1973 | 3.03765 |
| 1972 | 2.98643 |
| 1971 | 2.93927 |
| 1970 | 2.91508 |
| 1969 | 2.9565 |
| 1968 | 3.07523 |
| 1967 | 3.21906 |
| 1966 | 3.34513 |
| 1965 | 3.42401 |
| 1964 | 3.45563 |
| 1963 | 3.43877 |
| 1962 | 3.38146 |
| 1961 | 3.32313 |
| 1960 | 3.29203 |