| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 15.6961 |
| 2017 | 15.5754 |
| 2016 | - |
| 2015 | - |
| 2014 | - |
| 2013 | 17.0757 |
| 2012 | 17.264 |
| 2011 | - |
| 2010 | 18.009 |
| 2009 | 18.1674 |
| 2008 | 18.2282 |
| 2007 | 17.8927 |
| 2006 | 17.5413 |
| 2005 | 16.7232 |
| 2004 | 16.7454 |
| 2003 | 15.8528 |
| 2002 | 16.0753 |
| 2001 | 17.3321 |
| 2000 | 18.3114 |
| 1999 | 20.5209 |
| 1998 | 22.332 |
| 1997 | 23.2656 |
| 1996 | 24.6595 |
| 1995 | 25.6459 |
| 1994 | 26.4251 |
| 1993 | - |
| 1992 | 27.5539 |
| 1991 | - |
| 1990 | 24.8611 |
| 1989 | 24.8612 |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |