| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | 13.3576 |
| 2021 | 13.1163 |
| 2020 | 12.9033 |
| 2019 | 12.8043 |
| 2018 | 12.8359 |
| 2017 | 13.0017 |
| 2016 | 13.2575 |
| 2015 | 13.5213 |
| 2014 | 13.7182 |
| 2013 | 13.8232 |
| 2012 | 13.8147 |
| 2011 | 13.6829 |
| 2010 | 13.452 |
| 2009 | 13.206 |
| 2008 | 13.0096 |
| 2007 | 12.8729 |
| 2006 | 12.7792 |
| 2005 | 12.7312 |
| 2004 | 12.7414 |
| 2003 | 12.8359 |
| 2002 | 13.0581 |
| 2001 | 13.3927 |
| 2000 | 13.8227 |
| 1999 | 14.3248 |
| 1998 | 14.8346 |
| 1997 | 15.2734 |
| 1996 | 15.6027 |
| 1995 | 15.7346 |
| 1994 | 15.5713 |
| 1993 | 15.2166 |
| 1992 | 14.8588 |
| 1991 | 14.5768 |
| 1990 | 14.3822 |
| 1989 | 14.3112 |
| 1988 | 14.3073 |
| 1987 | 14.3078 |
| 1986 | 14.3429 |
| 1985 | 14.3945 |
| 1984 | 14.4405 |
| 1983 | 14.4855 |
| 1982 | 14.4896 |
| 1981 | 14.455 |
| 1980 | 13.5698 |
| 1979 | 12.482 |
| 1978 | 12.6059 |
| 1977 | 12.9268 |
| 1976 | 13.045 |
| 1975 | 13.08 |
| 1974 | 13.1082 |
| 1973 | 13.1344 |
| 1972 | 13.1949 |
| 1971 | 13.2933 |
| 1970 | 13.4329 |
| 1969 | 13.5226 |
| 1968 | 13.5397 |
| 1967 | 13.5602 |
| 1966 | 13.5859 |
| 1965 | 13.6189 |
| 1964 | 13.631 |
| 1963 | 13.3514 |
| 1962 | 12.8378 |
| 1961 | 12.3864 |
| 1960 | 11.966 |