| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.36 |
| 2020 | 7.056 |
| 2019 | 7.072 |
| 2018 | 7.037 |
| 2017 | 7.029 |
| 2016 | 6.896 |
| 2015 | 6.98 |
| 2014 | 6.979 |
| 2013 | 7.092 |
| 2012 | 7.181 |
| 2011 | 7.371 |
| 2010 | 7.369 |
| 2009 | 8.987 |
| 2008 | 7.77 |
| 2007 | 7.631 |
| 2006 | 7.576 |
| 2005 | 7.489 |
| 2004 | 9.451 |
| 2003 | 7.765 |
| 2002 | 7.86 |
| 2001 | 7.958 |
| 2000 | 8.101 |
| 1999 | 6.657 |
| 1998 | 6.799 |
| 1997 | 6.651 |
| 1996 | 6.469 |
| 1995 | 6.343 |
| 1994 | 5.981 |
| 1993 | 5.786 |
| 1992 | 5.88 |
| 1991 | 6.086 |
| 1990 | 5.923 |
| 1989 | 6.649 |
| 1988 | 5.882 |
| 1987 | 5.825 |
| 1986 | 5.738 |
| 1985 | 5.827 |
| 1984 | 5.863 |
| 1983 | 6.025 |
| 1982 | 6.142 |
| 1981 | 6.299 |
| 1980 | 6.468 |
| 1979 | 6.636 |
| 1978 | 6.79 |
| 1977 | 7.158 |
| 1976 | 7.116 |
| 1975 | 7.181 |
| 1974 | 7.25 |
| 1973 | 7.28 |
| 1972 | 7.321 |
| 1971 | 7.269 |
| 1970 | 7.587 |
| 1969 | 8.216 |
| 1968 | 8.392 |
| 1967 | 8.594 |
| 1966 | 8.884 |
| 1965 | 9.206 |
| 1964 | 9.573 |
| 1963 | 9.814 |
| 1962 | 10.096 |
| 1961 | 10.507 |
| 1960 | 11.09 |