| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 5.9344 |
| 2021 | 6.14224 |
| 2020 | 6.26138 |
| 2019 | 6.22248 |
| 2018 | 6.06597 |
| 2017 | 5.87022 |
| 2016 | 5.66717 |
| 2015 | 5.48455 |
| 2014 | 5.36621 |
| 2013 | 5.2739 |
| 2012 | 5.14842 |
| 2011 | 4.98732 |
| 2010 | 4.81223 |
| 2009 | 4.64475 |
| 2008 | 4.49134 |
| 2007 | 4.35805 |
| 2006 | 4.24828 |
| 2005 | 4.16051 |
| 2004 | 4.09064 |
| 2003 | 4.03285 |
| 2002 | 3.99892 |
| 2001 | 3.99676 |
| 2000 | 4.01545 |
| 1999 | 4.04844 |
| 1998 | 4.09428 |
| 1997 | 4.15153 |
| 1996 | 4.22411 |
| 1995 | 4.31378 |
| 1994 | 4.43101 |
| 1993 | 4.57015 |
| 1992 | 4.6572 |
| 1991 | 4.70515 |
| 1990 | 4.76167 |
| 1989 | 4.79208 |
| 1988 | 4.66818 |
| 1987 | 4.40259 |
| 1986 | 4.15571 |
| 1985 | 3.92634 |
| 1984 | 3.70341 |
| 1983 | 3.59928 |
| 1982 | 3.59601 |
| 1981 | 3.57694 |
| 1980 | 3.51542 |
| 1979 | 3.54562 |
| 1978 | 3.71426 |
| 1977 | 3.82839 |
| 1976 | 3.88313 |
| 1975 | 3.92131 |
| 1974 | 3.95691 |
| 1973 | 3.9982 |
| 1972 | 4.04951 |
| 1971 | 4.1025 |
| 1970 | 4.15246 |
| 1969 | 4.20962 |
| 1968 | 4.28505 |
| 1967 | 4.36838 |
| 1966 | 4.44163 |
| 1965 | 4.49427 |
| 1964 | 4.52503 |
| 1963 | 4.52621 |
| 1962 | 4.51165 |
| 1961 | 4.52386 |
| 1960 | 4.58915 |