| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.839 |
| 2020 | 2.89 |
| 2019 | 2.921 |
| 2018 | 2.962 |
| 2017 | 3.015 |
| 2016 | 3.068 |
| 2015 | 3.117 |
| 2014 | 3.174 |
| 2013 | 3.226 |
| 2012 | 3.255 |
| 2011 | 3.299 |
| 2010 | 3.356 |
| 2009 | 3.473 |
| 2008 | 3.536 |
| 2007 | 3.564 |
| 2006 | 3.617 |
| 2005 | 3.682 |
| 2004 | 3.731 |
| 2003 | 3.757 |
| 2002 | 3.805 |
| 2001 | 3.9 |
| 2000 | 3.996 |
| 1999 | 4.066 |
| 1998 | 4.098 |
| 1997 | 4.207 |
| 1996 | 4.347 |
| 1995 | 4.487 |
| 1994 | 4.623 |
| 1993 | 4.774 |
| 1992 | 4.949 |
| 1991 | 5.097 |
| 1990 | 5.25 |
| 1989 | 5.414 |
| 1988 | 5.612 |
| 1987 | 5.816 |
| 1986 | 5.998 |
| 1985 | 6.17 |
| 1984 | 6.253 |
| 1983 | 6.334 |
| 1982 | 6.404 |
| 1981 | 6.472 |
| 1980 | 6.543 |
| 1979 | 6.584 |
| 1978 | 6.643 |
| 1977 | 6.695 |
| 1976 | 6.743 |
| 1975 | 6.75 |
| 1974 | 6.752 |
| 1973 | 6.682 |
| 1972 | 6.719 |
| 1971 | 6.762 |
| 1970 | 6.757 |
| 1969 | 6.758 |
| 1968 | 6.757 |
| 1967 | 6.751 |
| 1966 | 6.815 |
| 1965 | 6.821 |
| 1964 | 6.819 |
| 1963 | 6.855 |
| 1962 | 6.794 |
| 1961 | 6.774 |
| 1960 | 6.752 |