| 年份 | 斯威士兰 |
|---|---|
| 2023 | - |
| 2022 | 0.495415 |
| 2021 | 0.495919 |
| 2020 | 0.490855 |
| 2019 | 0.477836 |
| 2018 | 0.462728 |
| 2017 | 0.449573 |
| 2016 | 0.436498 |
| 2015 | 0.422488 |
| 2014 | 0.40824 |
| 2013 | 0.393405 |
| 2012 | 0.377576 |
| 2011 | 0.362171 |
| 2010 | 0.34813 |
| 2009 | 0.335813 |
| 2008 | 0.326726 |
| 2007 | 0.321238 |
| 2006 | 0.317724 |
| 2005 | 0.315817 |
| 2004 | 0.315463 |
| 2003 | 0.314639 |
| 2002 | 0.312467 |
| 2001 | 0.311262 |
| 2000 | 0.312343 |
| 1999 | 0.315256 |
| 1998 | 0.318857 |
| 1997 | 0.323052 |
| 1996 | 0.329065 |
| 1995 | 0.336032 |
| 1994 | 0.334744 |
| 1993 | 0.332352 |
| 1992 | 0.338738 |
| 1991 | 0.348108 |
| 1990 | 0.358184 |
| 1989 | 0.365418 |
| 1988 | 0.375152 |
| 1987 | 0.388117 |
| 1986 | 0.397556 |
| 1985 | 0.406132 |
| 1984 | 0.412443 |
| 1983 | 0.416026 |
| 1982 | 0.41768 |
| 1981 | 0.415788 |
| 1980 | 0.413711 |
| 1979 | 0.413514 |
| 1978 | 0.414169 |
| 1977 | 0.416212 |
| 1976 | 0.418534 |
| 1975 | 0.41957 |
| 1974 | 0.420746 |
| 1973 | 0.42129 |
| 1972 | 0.419519 |
| 1971 | 0.417564 |
| 1970 | 0.415701 |
| 1969 | 0.413247 |
| 1968 | 0.410232 |
| 1967 | 0.407535 |
| 1966 | 0.405758 |
| 1965 | 0.40528 |
| 1964 | 0.404685 |
| 1963 | 0.403038 |
| 1962 | 0.401172 |
| 1961 | 0.39822 |
| 1960 | 0.393461 |