| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 6.17926 |
| 2021 | 6.16458 |
| 2020 | 6.17416 |
| 2019 | 6.18713 |
| 2018 | 6.21115 |
| 2017 | 6.22571 |
| 2016 | 6.18117 |
| 2015 | 6.15304 |
| 2014 | 6.17198 |
| 2013 | 6.18675 |
| 2012 | 6.21097 |
| 2011 | 6.27824 |
| 2010 | 6.33981 |
| 2009 | 6.36882 |
| 2008 | 6.36211 |
| 2007 | 6.29824 |
| 2006 | 6.20684 |
| 2005 | 6.07744 |
| 2004 | 5.91525 |
| 2003 | 5.75347 |
| 2002 | 5.59924 |
| 2001 | 5.45001 |
| 2000 | 5.32644 |
| 1999 | 5.2216 |
| 1998 | 5.13575 |
| 1997 | 5.0825 |
| 1996 | 5.03328 |
| 1995 | 4.97415 |
| 1994 | 4.91234 |
| 1993 | 4.82279 |
| 1992 | 4.69305 |
| 1991 | 4.56 |
| 1990 | 4.44405 |
| 1989 | 4.34552 |
| 1988 | 4.26537 |
| 1987 | 4.2015 |
| 1986 | 4.15051 |
| 1985 | 4.1114 |
| 1984 | 4.08434 |
| 1983 | 4.06516 |
| 1982 | 4.05546 |
| 1981 | 4.06444 |
| 1980 | 4.09309 |
| 1979 | 4.13625 |
| 1978 | 4.19157 |
| 1977 | 4.25242 |
| 1976 | 4.30812 |
| 1975 | 4.35248 |
| 1974 | 4.38569 |
| 1973 | 4.40843 |
| 1972 | 4.42065 |
| 1971 | 4.4261 |
| 1970 | 4.42848 |
| 1969 | 4.42656 |
| 1968 | 4.41792 |
| 1967 | 4.40545 |
| 1966 | 4.39179 |
| 1965 | 4.37901 |
| 1964 | 4.36879 |
| 1963 | 4.36209 |
| 1962 | 4.35671 |
| 1961 | 4.34634 |
| 1960 | 4.32834 |