| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 11.2062 |
| 2021 | 10.9967 |
| 2020 | 10.8269 |
| 2019 | 10.6988 |
| 2018 | 10.6102 |
| 2017 | 10.5887 |
| 2016 | 10.657 |
| 2015 | 10.818 |
| 2014 | 11.0598 |
| 2013 | 11.3408 |
| 2012 | 11.6056 |
| 2011 | 11.8305 |
| 2010 | 12.0416 |
| 2009 | 12.2783 |
| 2008 | 12.5641 |
| 2007 | 12.9089 |
| 2006 | 13.2906 |
| 2005 | 13.6322 |
| 2004 | 13.7788 |
| 2003 | 13.704 |
| 2002 | 13.5077 |
| 2001 | 13.2068 |
| 2000 | 12.8159 |
| 1999 | 12.477 |
| 1998 | 12.2469 |
| 1997 | 12.0502 |
| 1996 | 11.9154 |
| 1995 | 11.8782 |
| 1994 | 11.9139 |
| 1993 | 12.0417 |
| 1992 | 12.2886 |
| 1991 | 12.598 |
| 1990 | 12.9193 |
| 1989 | 13.508 |
| 1988 | 14.0641 |
| 1987 | 14.1904 |
| 1986 | 14.2162 |
| 1985 | 14.1725 |
| 1984 | 14.0716 |
| 1983 | 13.9343 |
| 1982 | 13.7747 |
| 1981 | 13.5073 |
| 1980 | 13.1756 |
| 1979 | 12.9411 |
| 1978 | 12.6891 |
| 1977 | 12.4634 |
| 1976 | 12.3425 |
| 1975 | 12.2457 |
| 1974 | 12.1799 |
| 1973 | 12.1212 |
| 1972 | 12.0824 |
| 1971 | 12.0737 |
| 1970 | 12.09 |
| 1969 | 12.1284 |
| 1968 | 12.1787 |
| 1967 | 12.2295 |
| 1966 | 12.2742 |
| 1965 | 12.3074 |
| 1964 | 12.3152 |
| 1963 | 12.2893 |
| 1962 | 12.2797 |
| 1961 | 12.3031 |
| 1960 | 12.3185 |