| 年份 | 纳米比亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.812677 | 
| 2021 | 0.848329 | 
| 2020 | 0.860624 | 
| 2019 | 0.847727 | 
| 2018 | 0.832837 | 
| 2017 | 0.820562 | 
| 2016 | 0.809601 | 
| 2015 | 0.798921 | 
| 2014 | 0.789443 | 
| 2013 | 0.781642 | 
| 2012 | 0.775186 | 
| 2011 | 0.769385 | 
| 2010 | 0.763048 | 
| 2009 | 0.756083 | 
| 2008 | 0.748026 | 
| 2007 | 0.738943 | 
| 2006 | 0.730121 | 
| 2005 | 0.72209 | 
| 2004 | 0.714443 | 
| 2003 | 0.708744 | 
| 2002 | 0.705711 | 
| 2001 | 0.703737 | 
| 2000 | 0.701752 | 
| 1999 | 0.699487 | 
| 1998 | 0.696661 | 
| 1997 | 0.69236 | 
| 1996 | 0.687498 | 
| 1995 | 0.68324 | 
| 1994 | 0.679559 | 
| 1993 | 0.676493 | 
| 1992 | 0.673055 | 
| 1991 | 0.668658 | 
| 1990 | 0.665306 | 
| 1989 | 0.680611 | 
| 1988 | 0.69989 | 
| 1987 | 0.700825 | 
| 1986 | 0.698948 | 
| 1985 | 0.694457 | 
| 1984 | 0.687032 | 
| 1983 | 0.676804 | 
| 1982 | 0.663426 | 
| 1981 | 0.643596 | 
| 1980 | 0.621813 | 
| 1979 | 0.606764 | 
| 1978 | 0.591573 | 
| 1977 | 0.579768 | 
| 1976 | 0.575625 | 
| 1975 | 0.574067 | 
| 1974 | 0.576135 | 
| 1973 | 0.581266 | 
| 1972 | 0.588241 | 
| 1971 | 0.594857 | 
| 1970 | 0.599477 | 
| 1969 | 0.60084 | 
| 1968 | 0.598508 | 
| 1967 | 0.59236 | 
| 1966 | 0.584795 | 
| 1965 | 0.576724 | 
| 1964 | 0.567512 | 
| 1963 | 0.558067 | 
| 1962 | 0.548085 | 
| 1961 | 0.536926 | 
| 1960 | 0.522782 |