| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 6.95496 |
| 2021 | 6.91172 |
| 2020 | 6.91371 |
| 2019 | 6.96776 |
| 2018 | 7.06543 |
| 2017 | 7.19868 |
| 2016 | 7.3431 |
| 2015 | 7.44513 |
| 2014 | 7.51625 |
| 2013 | 7.57763 |
| 2012 | 7.61475 |
| 2011 | 7.63154 |
| 2010 | 7.70588 |
| 2009 | 7.85496 |
| 2008 | 8.04317 |
| 2007 | 8.2917 |
| 2006 | 8.59249 |
| 2005 | 8.89129 |
| 2004 | 9.13662 |
| 2003 | 9.32398 |
| 2002 | 9.40252 |
| 2001 | 9.34587 |
| 2000 | 9.21911 |
| 1999 | 9.06962 |
| 1998 | 8.9505 |
| 1997 | 8.91795 |
| 1996 | 8.93996 |
| 1995 | 9.00694 |
| 1994 | 9.12645 |
| 1993 | 9.26035 |
| 1992 | 9.39403 |
| 1991 | 9.51211 |
| 1990 | 9.59109 |
| 1989 | 9.63914 |
| 1988 | 9.6518 |
| 1987 | 9.62451 |
| 1986 | 9.60122 |
| 1985 | 9.61186 |
| 1984 | 9.64224 |
| 1983 | 9.67949 |
| 1982 | 9.70348 |
| 1981 | 9.69762 |
| 1980 | 9.65483 |
| 1979 | 9.57568 |
| 1978 | 9.48067 |
| 1977 | 9.40294 |
| 1976 | 9.35625 |
| 1975 | 9.31761 |
| 1974 | 9.26535 |
| 1973 | 9.24335 |
| 1972 | 9.26586 |
| 1971 | 9.27726 |
| 1970 | 9.25969 |
| 1969 | 9.22663 |
| 1968 | 9.13574 |
| 1967 | 8.97421 |
| 1966 | 8.80748 |
| 1965 | 8.66732 |
| 1964 | 8.557 |
| 1963 | 8.47844 |
| 1962 | 8.42653 |
| 1961 | 8.39286 |
| 1960 | 8.3766 |