| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | 0.511263 |
| 2021 | 0.71753 |
| 2020 | 0.689419 |
| 2019 | 0.549233 |
| 2018 | 0.553858 |
| 2017 | 0.555914 |
| 2016 | 0.546948 |
| 2015 | 0.51759 |
| 2014 | 0.477539 |
| 2013 | 0.422087 |
| 2012 | 0.354919 |
| 2011 | 0.21018 |
| 2010 | 0.177955 |
| 2009 | 0.180391 |
| 2008 | 0.262583 |
| 2007 | 0.684083 |
| 2006 | 0.708179 |
| 2005 | 0.737096 |
| 2004 | 0.823001 |
| 2003 | 0.92351 |
| 2002 | 1.06755 |
| 2001 | 1.22143 |
| 2000 | 1.35325 |
| 1999 | 1.47712 |
| 1998 | 1.61678 |
| 1997 | 1.28023 |
| 1996 | 1.51453 |
| 1995 | -0.567705 |
| 1994 | -0.509782 |
| 1993 | 2.48343 |
| 1992 | 3.38844 |
| 1991 | 3.5865 |
| 1990 | 2.84198 |
| 1989 | 3.40193 |
| 1988 | 4.12608 |
| 1987 | 3.36212 |
| 1986 | 3.41481 |
| 1985 | 3.18806 |
| 1984 | 2.82896 |
| 1983 | 2.83441 |
| 1982 | 2.49125 |
| 1981 | 2.49027 |
| 1980 | 2.90003 |
| 1979 | 2.91264 |
| 1978 | 2.85878 |
| 1977 | 2.64456 |
| 1976 | 1.86842 |
| 1975 | 1.84726 |
| 1974 | 1.81785 |
| 1973 | 1.80594 |
| 1972 | 1.82761 |
| 1971 | 1.84663 |
| 1970 | 1.85411 |
| 1969 | 1.86214 |
| 1968 | 1.91811 |
| 1967 | 2.04794 |
| 1966 | 1.96757 |
| 1965 | 1.89361 |
| 1964 | 1.81005 |
| 1963 | 1.7759 |
| 1962 | 1.78136 |
| 1961 | 1.82512 |
| 1960 | - |