| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 1.33844 |
| 2021 | 1.33351 |
| 2020 | 1.31653 |
| 2019 | 1.28574 |
| 2018 | 1.25464 |
| 2017 | 1.22628 |
| 2016 | 1.19508 |
| 2015 | 1.16226 |
| 2014 | 1.13003 |
| 2013 | 1.09976 |
| 2012 | 1.07306 |
| 2011 | 1.05145 |
| 2010 | 1.03504 |
| 2009 | 1.02239 |
| 2008 | 1.01189 |
| 2007 | 1.00277 |
| 2006 | 0.993955 |
| 2005 | 0.985077 |
| 2004 | 0.979101 |
| 2003 | 0.978397 |
| 2002 | 0.981989 |
| 2001 | 0.988197 |
| 2000 | 0.995485 |
| 1999 | 1.00286 |
| 1998 | 1.00578 |
| 1997 | 1.00477 |
| 1996 | 1.00741 |
| 1995 | 1.01697 |
| 1994 | 1.03214 |
| 1993 | 1.05541 |
| 1992 | 1.08583 |
| 1991 | 1.11372 |
| 1990 | 1.1376 |
| 1989 | 1.18938 |
| 1988 | 1.24496 |
| 1987 | 1.26502 |
| 1986 | 1.28013 |
| 1985 | 1.2927 |
| 1984 | 1.29994 |
| 1983 | 1.30211 |
| 1982 | 1.30106 |
| 1981 | 1.28974 |
| 1980 | 1.27413 |
| 1979 | 1.2722 |
| 1978 | 1.27203 |
| 1977 | 1.27677 |
| 1976 | 1.29075 |
| 1975 | 1.3 |
| 1974 | 1.30594 |
| 1973 | 1.30471 |
| 1972 | 1.29713 |
| 1971 | 1.2888 |
| 1970 | 1.28311 |
| 1969 | 1.27903 |
| 1968 | 1.27449 |
| 1967 | 1.27222 |
| 1966 | 1.27496 |
| 1965 | 1.28369 |
| 1964 | 1.30156 |
| 1963 | 1.33095 |
| 1962 | 1.36747 |
| 1961 | 1.40082 |
| 1960 | 1.42396 |