| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | 1.44813 |
| 2021 | 1.41846 |
| 2020 | 1.37262 |
| 2019 | 1.30737 |
| 2018 | 1.2398 |
| 2017 | 1.17771 |
| 2016 | 1.11519 |
| 2015 | 1.05564 |
| 2014 | 1.00149 |
| 2013 | 0.9536 |
| 2012 | 0.91119 |
| 2011 | 0.872682 |
| 2010 | 0.837461 |
| 2009 | 0.804847 |
| 2008 | 0.775302 |
| 2007 | 0.750904 |
| 2006 | 0.729789 |
| 2005 | 0.711496 |
| 2004 | 0.69809 |
| 2003 | 0.691049 |
| 2002 | 0.691677 |
| 2001 | 0.700353 |
| 2000 | 0.713955 |
| 1999 | 0.728626 |
| 1998 | 0.742135 |
| 1997 | 0.754986 |
| 1996 | 0.769768 |
| 1995 | 0.786773 |
| 1994 | 0.788451 |
| 1993 | 0.7893 |
| 1992 | 0.811272 |
| 1991 | 0.838399 |
| 1990 | 0.862888 |
| 1989 | 0.876158 |
| 1988 | 0.890264 |
| 1987 | 0.907701 |
| 1986 | 0.9161 |
| 1985 | 0.924171 |
| 1984 | 0.930398 |
| 1983 | 0.933649 |
| 1982 | 0.935815 |
| 1981 | 0.933658 |
| 1980 | 0.930339 |
| 1979 | 0.929164 |
| 1978 | 0.927389 |
| 1977 | 0.924207 |
| 1976 | 0.91934 |
| 1975 | 0.912948 |
| 1974 | 0.905109 |
| 1973 | 0.89613 |
| 1972 | 0.887617 |
| 1971 | 0.882203 |
| 1970 | 0.881854 |
| 1969 | 0.885204 |
| 1968 | 0.890777 |
| 1967 | 0.898733 |
| 1966 | 0.908156 |
| 1965 | 0.91692 |
| 1964 | 0.92505 |
| 1963 | 0.93304 |
| 1962 | 0.939445 |
| 1961 | 0.945228 |
| 1960 | 0.951228 |