年份 | 纳米比亚 |
---|---|
2023 | - |
2022 | - |
2021 | 19.5 |
2020 | 19.9 |
2019 | 20.3 |
2018 | 20.6 |
2017 | 21 |
2016 | 21.3 |
2015 | 21.5 |
2014 | 21.7 |
2013 | 21.7 |
2012 | 21.6 |
2011 | 21.5 |
2010 | 21.3 |
2009 | 21.1 |
2008 | 20.9 |
2007 | 20.8 |
2006 | 20.8 |
2005 | 21 |
2004 | 21.4 |
2003 | 21.8 |
2002 | 22.4 |
2001 | 23 |
2000 | 23.6 |
1999 | 24.2 |
1998 | 24.6 |
1997 | 25.1 |
1996 | 25.5 |
1995 | 25.8 |
1994 | 26.2 |
1993 | 26.6 |
1992 | 27.1 |
1991 | 27.5 |
1990 | 27.9 |
1989 | 28.3 |
1988 | 28.8 |
1987 | 29.4 |
1986 | 30.1 |
1985 | 30.8 |
1984 | 31.5 |
1983 | 31.9 |
1982 | 32.3 |
1981 | 32.5 |
1980 | 32.6 |
1979 | 32.7 |
1978 | 32.9 |
1977 | 33.1 |
1976 | 33.2 |
1975 | 33.1 |
1974 | 32.7 |
1973 | 32.2 |
1972 | 31.7 |
1971 | 31.2 |
1970 | 30.7 |
1969 | 30.3 |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |