| 年份 | 津巴布韦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 31.6 |
| 2020 | 32.4 |
| 2019 | 32.8 |
| 2018 | 33.7 |
| 2017 | 35 |
| 2016 | 36 |
| 2015 | 37.5 |
| 2014 | 38.5 |
| 2013 | 40.3 |
| 2012 | 42 |
| 2011 | 46 |
| 2010 | 47.3 |
| 2009 | 49.5 |
| 2008 | 50.4 |
| 2007 | 50.9 |
| 2006 | 49.8 |
| 2005 | 48 |
| 2004 | 47.1 |
| 2003 | 46 |
| 2002 | 45.9 |
| 2001 | 46 |
| 2000 | 46.3 |
| 1999 | 47.1 |
| 1998 | 48.1 |
| 1997 | 48.9 |
| 1996 | 49.4 |
| 1995 | 49 |
| 1994 | 47.9 |
| 1993 | 46.9 |
| 1992 | 46.1 |
| 1991 | 45.4 |
| 1990 | 44.7 |
| 1989 | 44 |
| 1988 | 43.8 |
| 1987 | 44.4 |
| 1986 | 45.7 |
| 1985 | 48 |
| 1984 | 50.7 |
| 1983 | 53.9 |
| 1982 | 57 |
| 1981 | 59.7 |
| 1980 | 61.7 |
| 1979 | 62.8 |
| 1978 | 63.5 |
| 1977 | 63.7 |
| 1976 | 63.6 |
| 1975 | 63.4 |
| 1974 | 63.4 |
| 1973 | 63.4 |
| 1972 | 63.6 |
| 1971 | 64.1 |
| 1970 | 64.7 |
| 1969 | 65.8 |
| 1968 | 67.1 |
| 1967 | 68.6 |
| 1966 | 70.5 |
| 1965 | 72.6 |
| 1964 | 74.7 |
| 1963 | 76.9 |
| 1962 | 79 |
| 1961 | 81.3 |
| 1960 | 83.2 |