| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 12.7371 |
| 2021 | 10.8897 |
| 2020 | -11.3836 |
| 2019 | -1.77383 |
| 2018 | -1.89765 |
| 2017 | -8.38083 |
| 2016 | 13.7867 |
| 2015 | 11.758 |
| 2014 | 2.56683 |
| 2013 | 7.61568 |
| 2012 | 7.82005 |
| 2011 | 7.18683 |
| 2010 | -6.93911 |
| 2009 | 12.2889 |
| 2008 | 11.2899 |
| 2007 | 4.7968 |
| 2006 | 7.40081 |
| 2005 | -0.415803 |
| 2004 | 0.641572 |
| 2003 | 6.78515 |
| 2002 | -3.13986 |
| 2001 | 6.81349 |
| 2000 | 3.42444 |
| 1999 | -1.06392 |
| 1998 | 1.11115 |
| 1997 | 4.7254 |
| 1996 | 7.67771 |
| 1995 | 0.0370399 |
| 1994 | -2.51803 |
| 1993 | -3.39 |
| 1992 | -6.46094 |
| 1991 | 10.7807 |
| 1990 | -22.2432 |
| 1989 | -3.44844 |
| 1988 | -9.64137 |
| 1987 | 14.7798 |
| 1986 | 4.58343 |
| 1985 | -16.3445 |
| 1984 | 0.768326 |
| 1983 | -7.15864 |
| 1982 | 0.13029 |
| 1981 | 35.0608 |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |