| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 19.026 |
| 2021 | 18.86 |
| 2020 | 18.713 |
| 2019 | 18.585 |
| 2018 | 18.476 |
| 2017 | 18.384 |
| 2016 | 18.311 |
| 2015 | 18.256 |
| 2014 | 18.218 |
| 2013 | 18.198 |
| 2012 | 18.196 |
| 2011 | 18.211 |
| 2010 | 18.226 |
| 2009 | 18.242 |
| 2008 | 18.257 |
| 2007 | 18.272 |
| 2006 | 18.288 |
| 2005 | 18.303 |
| 2004 | 18.319 |
| 2003 | 18.334 |
| 2002 | 18.349 |
| 2001 | 18.365 |
| 2000 | 18.38 |
| 1999 | 18.396 |
| 1998 | 18.411 |
| 1997 | 18.427 |
| 1996 | 18.442 |
| 1995 | 18.458 |
| 1994 | 18.473 |
| 1993 | 18.489 |
| 1992 | 18.504 |
| 1991 | 18.52 |
| 1990 | 18.535 |
| 1989 | 18.551 |
| 1988 | 18.566 |
| 1987 | 18.582 |
| 1986 | 18.597 |
| 1985 | 18.613 |
| 1984 | 18.629 |
| 1983 | 18.644 |
| 1982 | 18.66 |
| 1981 | 18.676 |
| 1980 | 18.607 |
| 1979 | 18.504 |
| 1978 | 18.401 |
| 1977 | 18.299 |
| 1976 | 18.198 |
| 1975 | 18.097 |
| 1974 | 17.996 |
| 1973 | 17.896 |
| 1972 | 17.796 |
| 1971 | 17.697 |
| 1970 | 17.598 |
| 1969 | 17.5 |
| 1968 | 17.402 |
| 1967 | 17.304 |
| 1966 | 17.207 |
| 1965 | 17.11 |
| 1964 | 17.014 |
| 1963 | 16.916 |
| 1962 | 16.753 |
| 1961 | 16.592 |
| 1960 | 16.431 |