| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | -18.2962 |
| 2021 | -18.2884 |
| 2020 | -9.5695 |
| 2019 | -10.0994 |
| 2018 | -9.94874 |
| 2017 | -13.9781 |
| 2016 | -23.9473 |
| 2015 | -26.4973 |
| 2014 | -25.046 |
| 2013 | -22.7209 |
| 2012 | -20.0967 |
| 2011 | -11.1096 |
| 2010 | -11.5086 |
| 2009 | -20.6365 |
| 2008 | -12.3376 |
| 2007 | -5.2689 |
| 2006 | 3.8997 |
| 2005 | 0.136772 |
| 2004 | -2.26638 |
| 2003 | -9.09359 |
| 2002 | -2.07742 |
| 2001 | -6.47222 |
| 2000 | -3.65994 |
| 1999 | -8.23946 |
| 1998 | -9.3906 |
| 1997 | -7.54912 |
| 1996 | -5.73492 |
| 1995 | -4.18332 |
| 1994 | -1.28252 |
| 1993 | -2.88835 |
| 1992 | -5.94368 |
| 1991 | -5.87051 |
| 1990 | -6.6383 |
| 1989 | 3.35971 |
| 1988 | 1.50341 |
| 1987 | -4.90805 |
| 1986 | 10.3329 |
| 1985 | 11.5013 |
| 1984 | -6.17801 |
| 1983 | -7.60666 |
| 1982 | -8.57087 |
| 1981 | -11.3982 |
| 1980 | 14.1133 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |