| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 7.69936 |
| 2021 | 7.65444 |
| 2020 | 7.60476 |
| 2019 | 7.55025 |
| 2018 | 7.49428 |
| 2017 | 7.44952 |
| 2016 | 7.42962 |
| 2015 | 7.45295 |
| 2014 | 7.52833 |
| 2013 | 7.64944 |
| 2012 | 7.80657 |
| 2011 | 7.94805 |
| 2010 | 8.02084 |
| 2009 | 8.06386 |
| 2008 | 8.10166 |
| 2007 | 8.12531 |
| 2006 | 8.16803 |
| 2005 | 8.28224 |
| 2004 | 8.45724 |
| 2003 | 8.66992 |
| 2002 | 8.93324 |
| 2001 | 9.25059 |
| 2000 | 9.56893 |
| 1999 | 9.84754 |
| 1998 | 10.0756 |
| 1997 | 10.1855 |
| 1996 | 10.1587 |
| 1995 | 10.0539 |
| 1994 | 9.91586 |
| 1993 | 9.80652 |
| 1992 | 9.78694 |
| 1991 | 9.82096 |
| 1990 | 9.8992 |
| 1989 | 10.0313 |
| 1988 | 10.1779 |
| 1987 | 10.3252 |
| 1986 | 10.4613 |
| 1985 | 10.5676 |
| 1984 | 10.6569 |
| 1983 | 10.7232 |
| 1982 | 10.7595 |
| 1981 | 10.8115 |
| 1980 | 10.8977 |
| 1979 | 10.9907 |
| 1978 | 11.0725 |
| 1977 | 11.1141 |
| 1976 | 11.0995 |
| 1975 | 11.0332 |
| 1974 | 10.9237 |
| 1973 | 10.8041 |
| 1972 | 10.719 |
| 1971 | 10.6764 |
| 1970 | 10.6481 |
| 1969 | 10.6103 |
| 1968 | 10.6074 |
| 1967 | 10.6554 |
| 1966 | 10.69 |
| 1965 | 10.6894 |
| 1964 | 10.6727 |
| 1963 | 10.5895 |
| 1962 | 10.4207 |
| 1961 | 10.2464 |
| 1960 | 10.1066 |