| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 59.7902 |
| 2021 | 59.7659 |
| 2020 | 59.7637 |
| 2019 | 59.7977 |
| 2018 | 59.8571 |
| 2017 | 59.9192 |
| 2016 | 59.9615 |
| 2015 | 59.9636 |
| 2014 | 59.9192 |
| 2013 | 59.8492 |
| 2012 | 59.7814 |
| 2011 | 59.7054 |
| 2010 | 59.5538 |
| 2009 | 59.2732 |
| 2008 | 58.8655 |
| 2007 | 58.3497 |
| 2006 | 57.7463 |
| 2005 | 57.0965 |
| 2004 | 56.5208 |
| 2003 | 56.0629 |
| 2002 | 55.6729 |
| 2001 | 55.3654 |
| 2000 | 55.1544 |
| 1999 | 55.0177 |
| 1998 | 54.9195 |
| 1997 | 54.8361 |
| 1996 | 54.733 |
| 1995 | 54.6164 |
| 1994 | 54.5447 |
| 1993 | 54.5022 |
| 1992 | 54.4504 |
| 1991 | 54.3799 |
| 1990 | 54.2342 |
| 1989 | 52.9897 |
| 1988 | 51.3953 |
| 1987 | 50.7621 |
| 1986 | 50.2131 |
| 1985 | 49.6956 |
| 1984 | 49.2545 |
| 1983 | 48.8735 |
| 1982 | 48.5281 |
| 1981 | 48.6217 |
| 1980 | 49.1102 |
| 1979 | 49.3779 |
| 1978 | 49.8804 |
| 1977 | 50.4625 |
| 1976 | 50.7452 |
| 1975 | 51.0048 |
| 1974 | 51.1954 |
| 1973 | 51.4038 |
| 1972 | 51.5939 |
| 1971 | 51.753 |
| 1970 | 51.8986 |
| 1969 | 52.0253 |
| 1968 | 52.147 |
| 1967 | 52.2593 |
| 1966 | 52.3614 |
| 1965 | 52.4642 |
| 1964 | 52.5725 |
| 1963 | 52.722 |
| 1962 | 52.887 |
| 1961 | 53.031 |
| 1960 | 53.1789 |