| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 7.23654 |
| 2021 | 7.12502 |
| 2020 | 6.93191 |
| 2019 | 6.73269 |
| 2018 | 6.56124 |
| 2017 | 6.46085 |
| 2016 | 6.45291 |
| 2015 | 6.46569 |
| 2014 | 6.48404 |
| 2013 | 6.52592 |
| 2012 | 6.56512 |
| 2011 | 6.56771 |
| 2010 | 6.61306 |
| 2009 | 6.69918 |
| 2008 | 6.75838 |
| 2007 | 6.79209 |
| 2006 | 6.8247 |
| 2005 | 6.84033 |
| 2004 | 6.83104 |
| 2003 | 6.79698 |
| 2002 | 6.72335 |
| 2001 | 6.61371 |
| 2000 | 6.47775 |
| 1999 | 6.32598 |
| 1998 | 6.1703 |
| 1997 | 6.0396 |
| 1996 | 5.94272 |
| 1995 | 5.86017 |
| 1994 | 5.77574 |
| 1993 | 5.71601 |
| 1992 | 5.68927 |
| 1991 | 5.65735 |
| 1990 | 5.60617 |
| 1989 | 5.54549 |
| 1988 | 5.44713 |
| 1987 | 5.30231 |
| 1986 | 5.15778 |
| 1985 | 5.03504 |
| 1984 | 4.93371 |
| 1983 | 4.85411 |
| 1982 | 4.79406 |
| 1981 | 4.74931 |
| 1980 | 4.71497 |
| 1979 | 4.68848 |
| 1978 | 4.66495 |
| 1977 | 4.64164 |
| 1976 | 4.62659 |
| 1975 | 4.62405 |
| 1974 | 4.63064 |
| 1973 | 4.6465 |
| 1972 | 4.66967 |
| 1971 | 4.69124 |
| 1970 | 4.70678 |
| 1969 | 4.71683 |
| 1968 | 4.72111 |
| 1967 | 4.71785 |
| 1966 | 4.70439 |
| 1965 | 4.68032 |
| 1964 | 4.64599 |
| 1963 | 4.59821 |
| 1962 | 4.54168 |
| 1961 | 4.48922 |
| 1960 | 4.44912 |