| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 17.5744 |
| 2021 | 16.9996 |
| 2020 | 16.4655 |
| 2019 | 15.9233 |
| 2018 | 15.3371 |
| 2017 | 14.7401 |
| 2016 | 14.1699 |
| 2015 | 13.6106 |
| 2014 | 13.0399 |
| 2013 | 12.4979 |
| 2012 | 12.0082 |
| 2011 | 11.6532 |
| 2010 | 11.4343 |
| 2009 | 11.2394 |
| 2008 | 11.071 |
| 2007 | 10.9246 |
| 2006 | 10.8189 |
| 2005 | 10.7804 |
| 2004 | 10.7634 |
| 2003 | 10.7592 |
| 2002 | 10.7606 |
| 2001 | 10.7816 |
| 2000 | 10.8167 |
| 1999 | 10.7895 |
| 1998 | 10.7121 |
| 1997 | 10.6453 |
| 1996 | 10.5796 |
| 1995 | 10.5045 |
| 1994 | 10.4116 |
| 1993 | 10.2921 |
| 1992 | 10.1433 |
| 1991 | 9.98611 |
| 1990 | 9.82802 |
| 1989 | 9.67074 |
| 1988 | 9.51373 |
| 1987 | 9.35307 |
| 1986 | 9.18679 |
| 1985 | 9.01647 |
| 1984 | 8.84556 |
| 1983 | 8.68085 |
| 1982 | 8.5294 |
| 1981 | 8.382 |
| 1980 | 8.23822 |
| 1979 | 8.10477 |
| 1978 | 7.9794 |
| 1977 | 7.8705 |
| 1976 | 7.77578 |
| 1975 | 7.68633 |
| 1974 | 7.60765 |
| 1973 | 7.53724 |
| 1972 | 7.47031 |
| 1971 | 7.39603 |
| 1970 | 7.33036 |
| 1969 | 7.30649 |
| 1968 | 7.31611 |
| 1967 | 7.34459 |
| 1966 | 7.40266 |
| 1965 | 7.49914 |
| 1964 | 7.63625 |
| 1963 | 7.82304 |
| 1962 | 8.06092 |
| 1961 | 8.33687 |
| 1960 | 8.65062 |