| 年份 | 纳米比亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.862664 | 
| 2020 | 0.89373 | 
| 2019 | 0.622413 | 
| 2018 | 0.490237 | 
| 2017 | 0.780641 | 
| 2016 | 0.968662 | 
| 2015 | 0.871881 | 
| 2014 | 0.693924 | 
| 2013 | 0.6097 | 
| 2012 | 0.554933 | 
| 2011 | 0.486338 | 
| 2010 | 0.488153 | 
| 2009 | 0.748172 | 
| 2008 | 0.729188 | 
| 2007 | 0.542147 | 
| 2006 | 0.36972 | 
| 2005 | 0.427876 | 
| 2004 | 0.472492 | 
| 2003 | 0.580439 | 
| 2002 | 0.480647 | 
| 2001 | 0.382502 | 
| 2000 | 0.356348 | 
| 1999 | 0.30482 | 
| 1998 | 0.529859 | 
| 1997 | 0.474497 | 
| 1996 | 0.51713 | 
| 1995 | 0.506466 | 
| 1994 | 0.350278 | 
| 1993 | 0.319266 | 
| 1992 | 0.378107 | 
| 1991 | 0.424599 | 
| 1990 | 0.447947 | 
| 1989 | 0.404492 | 
| 1988 | 0.40261 | 
| 1987 | 0.385883 | 
| 1986 | 0.508238 | 
| 1985 | 0.343705 | 
| 1984 | 0.399467 | 
| 1983 | 0.36324 | 
| 1982 | 0.612495 | 
| 1981 | 0.385449 | 
| 1980 | 0.391182 | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |