| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 7.72792 |
| 2021 | 7.82672 |
| 2020 | 7.92095 |
| 2019 | 7.9861 |
| 2018 | 8.00423 |
| 2017 | 7.99146 |
| 2016 | 7.96369 |
| 2015 | 7.93077 |
| 2014 | 7.89236 |
| 2013 | 7.85479 |
| 2012 | 7.82852 |
| 2011 | 7.81505 |
| 2010 | 7.82928 |
| 2009 | 7.89199 |
| 2008 | 8.00578 |
| 2007 | 8.15785 |
| 2006 | 8.3123 |
| 2005 | 8.42796 |
| 2004 | 8.5168 |
| 2003 | 8.59121 |
| 2002 | 8.65321 |
| 2001 | 8.74388 |
| 2000 | 8.8696 |
| 1999 | 9.02441 |
| 1998 | 9.22513 |
| 1997 | 9.48009 |
| 1996 | 9.80735 |
| 1995 | 10.1576 |
| 1994 | 10.4807 |
| 1993 | 10.7571 |
| 1992 | 10.9144 |
| 1991 | 10.9242 |
| 1990 | 10.8448 |
| 1989 | 10.7233 |
| 1988 | 10.6268 |
| 1987 | 10.6228 |
| 1986 | 10.6745 |
| 1985 | 10.7739 |
| 1984 | 10.9337 |
| 1983 | 11.1126 |
| 1982 | 11.3012 |
| 1981 | 11.4952 |
| 1980 | 11.6684 |
| 1979 | 11.8255 |
| 1978 | 11.9536 |
| 1977 | 12.0302 |
| 1976 | 12.1009 |
| 1975 | 12.1962 |
| 1974 | 12.2928 |
| 1973 | 12.3824 |
| 1972 | 12.4441 |
| 1971 | 12.4541 |
| 1970 | 12.4159 |
| 1969 | 12.339 |
| 1968 | 12.2522 |
| 1967 | 12.2028 |
| 1966 | 12.1951 |
| 1965 | 12.1943 |
| 1964 | 12.1781 |
| 1963 | 12.1972 |
| 1962 | 12.2673 |
| 1961 | 12.321 |
| 1960 | 12.3375 |