| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 8.51416 |
| 2021 | 8.61179 |
| 2020 | 8.71779 |
| 2019 | 8.77828 |
| 2018 | 8.78183 |
| 2017 | 8.74972 |
| 2016 | 8.70278 |
| 2015 | 8.65278 |
| 2014 | 8.59897 |
| 2013 | 8.54495 |
| 2012 | 8.49801 |
| 2011 | 8.4568 |
| 2010 | 8.43377 |
| 2009 | 8.44815 |
| 2008 | 8.50554 |
| 2007 | 8.6002 |
| 2006 | 8.70552 |
| 2005 | 8.79093 |
| 2004 | 8.87215 |
| 2003 | 8.95846 |
| 2002 | 9.04806 |
| 2001 | 9.17683 |
| 2000 | 9.31524 |
| 1999 | 9.45317 |
| 1998 | 9.63297 |
| 1997 | 9.86369 |
| 1996 | 10.1682 |
| 1995 | 10.4943 |
| 1994 | 10.7908 |
| 1993 | 11.0387 |
| 1992 | 11.1597 |
| 1991 | 11.1225 |
| 1990 | 10.9927 |
| 1989 | 10.8207 |
| 1988 | 10.6784 |
| 1987 | 10.6388 |
| 1986 | 10.6619 |
| 1985 | 10.7368 |
| 1984 | 10.8734 |
| 1983 | 11.0297 |
| 1982 | 11.1951 |
| 1981 | 11.3643 |
| 1980 | 11.5115 |
| 1979 | 11.642 |
| 1978 | 11.745 |
| 1977 | 11.7978 |
| 1976 | 11.8443 |
| 1975 | 11.9158 |
| 1974 | 11.989 |
| 1973 | 12.0537 |
| 1972 | 12.0878 |
| 1971 | 12.0681 |
| 1970 | 11.9967 |
| 1969 | 11.8808 |
| 1968 | 11.7508 |
| 1967 | 11.6553 |
| 1966 | 11.5986 |
| 1965 | 11.5463 |
| 1964 | 11.478 |
| 1963 | 11.4402 |
| 1962 | 11.4555 |
| 1961 | 11.4669 |
| 1960 | 11.4492 |