| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 3.32185 |
| 2021 | 3.36334 |
| 2020 | 3.37626 |
| 2019 | 3.34578 |
| 2018 | 3.29336 |
| 2017 | 3.23312 |
| 2016 | 3.16741 |
| 2015 | 3.09763 |
| 2014 | 3.02819 |
| 2013 | 2.99457 |
| 2012 | 2.9891 |
| 2011 | 2.96832 |
| 2010 | 2.94035 |
| 2009 | 2.91806 |
| 2008 | 2.90259 |
| 2007 | 2.89208 |
| 2006 | 2.89687 |
| 2005 | 2.90607 |
| 2004 | 2.91391 |
| 2003 | 2.9406 |
| 2002 | 2.98291 |
| 2001 | 3.02991 |
| 2000 | 3.07569 |
| 1999 | 3.12279 |
| 1998 | 3.17183 |
| 1997 | 3.21346 |
| 1996 | 3.24045 |
| 1995 | 3.24964 |
| 1994 | 3.22502 |
| 1993 | 3.16303 |
| 1992 | 3.11652 |
| 1991 | 3.10377 |
| 1990 | 3.09445 |
| 1989 | 3.08492 |
| 1988 | 3.0826 |
| 1987 | 3.09612 |
| 1986 | 3.12524 |
| 1985 | 3.15774 |
| 1984 | 3.18799 |
| 1983 | 3.21564 |
| 1982 | 3.25039 |
| 1981 | 3.28901 |
| 1980 | 3.41005 |
| 1979 | 3.45776 |
| 1978 | 3.30737 |
| 1977 | 3.19145 |
| 1976 | 3.14934 |
| 1975 | 3.13561 |
| 1974 | 3.13185 |
| 1973 | 3.13585 |
| 1972 | 3.14027 |
| 1971 | 3.14696 |
| 1970 | 3.15836 |
| 1969 | 3.17987 |
| 1968 | 3.20685 |
| 1967 | 3.23012 |
| 1966 | 3.25101 |
| 1965 | 3.27068 |
| 1964 | 3.28885 |
| 1963 | 3.30496 |
| 1962 | 3.31886 |
| 1961 | 3.32941 |
| 1960 | 3.3355 |