| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | 24.576 |
| 2021 | 24.369 |
| 2020 | 24.171 |
| 2019 | 23.981 |
| 2018 | 23.799 |
| 2017 | 23.625 |
| 2016 | 23.459 |
| 2015 | 23.3 |
| 2014 | 23.149 |
| 2013 | 22.999 |
| 2012 | 22.849 |
| 2011 | 22.7 |
| 2010 | 22.48 |
| 2009 | 22.262 |
| 2008 | 22.045 |
| 2007 | 21.829 |
| 2006 | 21.91 |
| 2005 | 22.038 |
| 2004 | 22.166 |
| 2003 | 22.296 |
| 2002 | 22.425 |
| 2001 | 22.555 |
| 2000 | 22.686 |
| 1999 | 22.817 |
| 1998 | 22.949 |
| 1997 | 23.081 |
| 1996 | 22.722 |
| 1995 | 22.286 |
| 1994 | 21.857 |
| 1993 | 21.434 |
| 1992 | 21.018 |
| 1991 | 20.607 |
| 1990 | 20.202 |
| 1989 | 19.803 |
| 1988 | 19.41 |
| 1987 | 19.022 |
| 1986 | 18.641 |
| 1985 | 18.266 |
| 1984 | 17.897 |
| 1983 | 17.533 |
| 1982 | 17.176 |
| 1981 | 16.824 |
| 1980 | 16.478 |
| 1979 | 16.137 |
| 1978 | 15.803 |
| 1977 | 15.474 |
| 1976 | 15.037 |
| 1975 | 14.004 |
| 1974 | 13.033 |
| 1973 | 12.12 |
| 1972 | 11.264 |
| 1971 | 10.458 |
| 1970 | 9.705 |
| 1969 | 9.001 |
| 1968 | 8.344 |
| 1967 | 7.729 |
| 1966 | 7.157 |
| 1965 | 6.494 |
| 1964 | 5.876 |
| 1963 | 5.312 |
| 1962 | 4.8 |
| 1961 | 4.335 |
| 1960 | 3.913 |