| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 11.5368 |
| 2021 | 11.1566 |
| 2020 | 10.803 |
| 2019 | 10.4492 |
| 2018 | 10.0747 |
| 2017 | 9.69699 |
| 2016 | 9.33698 |
| 2015 | 8.9865 |
| 2014 | 8.63427 |
| 2013 | 8.3031 |
| 2012 | 8.00415 |
| 2011 | 7.78356 |
| 2010 | 7.64261 |
| 2009 | 7.51762 |
| 2008 | 7.41006 |
| 2007 | 7.31421 |
| 2006 | 7.2412 |
| 2005 | 7.20867 |
| 2004 | 7.18759 |
| 2003 | 7.17254 |
| 2002 | 7.1583 |
| 2001 | 7.15043 |
| 2000 | 7.14576 |
| 1999 | 7.09598 |
| 1998 | 7.00835 |
| 1997 | 6.92151 |
| 1996 | 6.82774 |
| 1995 | 6.72464 |
| 1994 | 6.61143 |
| 1993 | 6.48545 |
| 1992 | 6.35112 |
| 1991 | 6.21813 |
| 1990 | 6.08693 |
| 1989 | 5.959 |
| 1988 | 5.83019 |
| 1987 | 5.69764 |
| 1986 | 5.56463 |
| 1985 | 5.43249 |
| 1984 | 5.30295 |
| 1983 | 5.17908 |
| 1982 | 5.0655 |
| 1981 | 4.96127 |
| 1980 | 4.86342 |
| 1979 | 4.77054 |
| 1978 | 4.68021 |
| 1977 | 4.59566 |
| 1976 | 4.51631 |
| 1975 | 4.4368 |
| 1974 | 4.36011 |
| 1973 | 4.28881 |
| 1972 | 4.22372 |
| 1971 | 4.1588 |
| 1970 | 4.10176 |
| 1969 | 4.07015 |
| 1968 | 4.05908 |
| 1967 | 4.06033 |
| 1966 | 4.07822 |
| 1965 | 4.11756 |
| 1964 | 4.18166 |
| 1963 | 4.27077 |
| 1962 | 4.38252 |
| 1961 | 4.51553 |
| 1960 | 4.67413 |