| 年份 | 纳米比亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.76478 | 
| 2021 | 1.97087 | 
| 2020 | 4.63153 | 
| 2019 | 0.926319 | 
| 2018 | 4.42848 | 
| 2017 | 9.91904 | 
| 2016 | 7.96867 | 
| 2015 | 3.86457 | 
| 2014 | 8.23489 | 
| 2013 | 4.03979 | 
| 2012 | 11.2603 | 
| 2011 | 3.81488 | 
| 2010 | 3.7259 | 
| 2009 | 6.9454 | 
| 2008 | 10.9614 | 
| 2007 | 9.28643 | 
| 2006 | 9.40659 | 
| 2005 | 5.59808 | 
| 2004 | 2.04025 | 
| 2003 | 1.27111 | 
| 2002 | 10.0036 | 
| 2001 | 11.2038 | 
| 2000 | 11.2811 | 
| 1999 | 6.78526 | 
| 1998 | 8.26956 | 
| 1997 | 7.11317 | 
| 1996 | 15.1762 | 
| 1995 | 6.68151 | 
| 1994 | 15.6718 | 
| 1993 | 10.3619 | 
| 1992 | 9.70793 | 
| 1991 | 5.9869 | 
| 1990 | 6.38836 | 
| 1989 | - | 
| 1988 | - | 
| 1987 | - | 
| 1986 | - | 
| 1985 | - | 
| 1984 | - | 
| 1983 | - | 
| 1982 | - | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |