| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 10.6569 |
| 2021 | 10.4799 |
| 2020 | 10.3363 |
| 2019 | 10.2297 |
| 2018 | 10.1611 |
| 2017 | 10.1573 |
| 2016 | 10.2362 |
| 2015 | 10.3976 |
| 2014 | 10.6316 |
| 2013 | 10.9029 |
| 2012 | 11.1616 |
| 2011 | 11.3866 |
| 2010 | 11.6041 |
| 2009 | 11.8512 |
| 2008 | 12.1477 |
| 2007 | 12.5006 |
| 2006 | 12.8876 |
| 2005 | 13.2301 |
| 2004 | 13.3789 |
| 2003 | 13.3101 |
| 2002 | 13.1163 |
| 2001 | 12.8128 |
| 2000 | 12.4175 |
| 1999 | 12.0704 |
| 1998 | 11.8251 |
| 1997 | 11.6118 |
| 1996 | 11.4604 |
| 1995 | 11.4057 |
| 1994 | 11.4239 |
| 1993 | 11.5325 |
| 1992 | 11.7591 |
| 1991 | 12.0466 |
| 1990 | 12.3452 |
| 1989 | 12.8743 |
| 1988 | 13.37 |
| 1987 | 13.4917 |
| 1986 | 13.522 |
| 1985 | 13.4889 |
| 1984 | 13.4044 |
| 1983 | 13.2877 |
| 1982 | 13.1521 |
| 1981 | 12.9251 |
| 1980 | 12.6451 |
| 1979 | 12.4416 |
| 1978 | 12.2146 |
| 1977 | 12.0136 |
| 1976 | 11.9059 |
| 1975 | 11.8206 |
| 1974 | 11.7631 |
| 1973 | 11.7122 |
| 1972 | 11.6813 |
| 1971 | 11.6792 |
| 1970 | 11.7012 |
| 1969 | 11.7448 |
| 1968 | 11.8007 |
| 1967 | 11.8582 |
| 1966 | 11.9116 |
| 1965 | 11.9559 |
| 1964 | 11.985 |
| 1963 | 11.9505 |
| 1962 | 11.8531 |
| 1961 | 11.742 |
| 1960 | 11.6114 |