| 年份 | 纳米比亚 |
|---|---|
| 2023 | - |
| 2022 | 5031.12 |
| 2021 | 4919.19 |
| 2020 | 4252.04 |
| 2019 | 5126.18 |
| 2018 | 5687.38 |
| 2017 | 5453.57 |
| 2016 | 4614.89 |
| 2015 | 4965.67 |
| 2014 | 5544.1 |
| 2013 | 5463.03 |
| 2012 | 6017.18 |
| 2011 | 5873.06 |
| 2010 | 5445.42 |
| 2009 | 4322.63 |
| 2008 | 4222.33 |
| 2007 | 4394.52 |
| 2006 | 4027.96 |
| 2005 | 3692.75 |
| 2004 | 3407.85 |
| 2003 | 2571.98 |
| 2002 | 1773.43 |
| 2001 | 1916.26 |
| 2000 | 2156.09 |
| 1999 | 2175.45 |
| 1998 | 2231.11 |
| 1997 | 2453.87 |
| 1996 | 2417.58 |
| 1995 | 2478.25 |
| 1994 | 2352.66 |
| 1993 | 2153.34 |
| 1992 | 2346.28 |
| 1991 | 2117.01 |
| 1990 | 2037.91 |
| 1989 | 1968.17 |
| 1988 | 2065.56 |
| 1987 | 1973.58 |
| 1986 | 1603.78 |
| 1985 | 1470.98 |
| 1984 | 1837.35 |
| 1983 | 2223.83 |
| 1982 | 2107.08 |
| 1981 | 2278.63 |
| 1980 | 2481.56 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |