| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 8.489 |
| 2021 | 8.43061 |
| 2020 | 8.36861 |
| 2019 | 8.30122 |
| 2018 | 8.23243 |
| 2017 | 8.1706 |
| 2016 | 8.12634 |
| 2015 | 8.11658 |
| 2014 | 8.14532 |
| 2013 | 8.19826 |
| 2012 | 8.26341 |
| 2011 | 8.31071 |
| 2010 | 8.30764 |
| 2009 | 8.29891 |
| 2008 | 8.31181 |
| 2007 | 8.33682 |
| 2006 | 8.40042 |
| 2005 | 8.5468 |
| 2004 | 8.76283 |
| 2003 | 9.02142 |
| 2002 | 9.33124 |
| 2001 | 9.69426 |
| 2000 | 10.0246 |
| 1999 | 10.2803 |
| 1998 | 10.4783 |
| 1997 | 10.5478 |
| 1996 | 10.473 |
| 1995 | 10.318 |
| 1994 | 10.1329 |
| 1993 | 9.98237 |
| 1992 | 9.92782 |
| 1991 | 9.93066 |
| 1990 | 9.9805 |
| 1989 | 10.087 |
| 1988 | 10.2101 |
| 1987 | 10.3356 |
| 1986 | 10.451 |
| 1985 | 10.5375 |
| 1984 | 10.6067 |
| 1983 | 10.6526 |
| 1982 | 10.6686 |
| 1981 | 10.7005 |
| 1980 | 10.7674 |
| 1979 | 10.8417 |
| 1978 | 10.9052 |
| 1977 | 10.9268 |
| 1976 | 10.8894 |
| 1975 | 10.7979 |
| 1974 | 10.6613 |
| 1973 | 10.513 |
| 1972 | 10.3977 |
| 1971 | 10.3234 |
| 1970 | 10.2603 |
| 1969 | 10.1844 |
| 1968 | 10.1384 |
| 1967 | 10.1461 |
| 1966 | 10.1521 |
| 1965 | 10.1316 |
| 1964 | 10.1014 |
| 1963 | 10.0164 |
| 1962 | 9.85195 |
| 1961 | 9.67637 |
| 1960 | 9.5311 |