| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | 0.580921 |
| 2021 | 0.580574 |
| 2020 | 0.573109 |
| 2019 | 0.555007 |
| 2018 | 0.533158 |
| 2017 | 0.514295 |
| 2016 | 0.499391 |
| 2015 | 0.488125 |
| 2014 | 0.479953 |
| 2013 | 0.474217 |
| 2012 | 0.471323 |
| 2011 | 0.471803 |
| 2010 | 0.47382 |
| 2009 | 0.475977 |
| 2008 | 0.476972 |
| 2007 | 0.477525 |
| 2006 | 0.478717 |
| 2005 | 0.479066 |
| 2004 | 0.478868 |
| 2003 | 0.477543 |
| 2002 | 0.475006 |
| 2001 | 0.471812 |
| 2000 | 0.467386 |
| 1999 | 0.461043 |
| 1998 | 0.452966 |
| 1997 | 0.445041 |
| 1996 | 0.436866 |
| 1995 | 0.428447 |
| 1994 | 0.411449 |
| 1993 | 0.394498 |
| 1992 | 0.388787 |
| 1991 | 0.386001 |
| 1990 | 0.383519 |
| 1989 | 0.37833 |
| 1988 | 0.374708 |
| 1987 | 0.373305 |
| 1986 | 0.369012 |
| 1985 | 0.364579 |
| 1984 | 0.359763 |
| 1983 | 0.354353 |
| 1982 | 0.348811 |
| 1981 | 0.342954 |
| 1980 | 0.338652 |
| 1979 | 0.33607 |
| 1978 | 0.334131 |
| 1977 | 0.333289 |
| 1976 | 0.332958 |
| 1975 | 0.333423 |
| 1974 | 0.334292 |
| 1973 | 0.335007 |
| 1972 | 0.335231 |
| 1971 | 0.333823 |
| 1970 | 0.331913 |
| 1969 | 0.329891 |
| 1968 | 0.326626 |
| 1967 | 0.323045 |
| 1966 | 0.318689 |
| 1965 | 0.313428 |
| 1964 | 0.307075 |
| 1963 | 0.300121 |
| 1962 | 0.292974 |
| 1961 | 0.284912 |
| 1960 | 0.276833 |