| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 5.73326 |
| 2021 | 5.76199 |
| 2020 | 5.78135 |
| 2019 | 5.79031 |
| 2018 | 5.77463 |
| 2017 | 5.70625 |
| 2016 | 5.62898 |
| 2015 | 5.51685 |
| 2014 | 5.38181 |
| 2013 | 5.30641 |
| 2012 | 5.27554 |
| 2011 | 5.19884 |
| 2010 | 5.12184 |
| 2009 | 5.05999 |
| 2008 | 4.9612 |
| 2007 | 4.8483 |
| 2006 | 4.72067 |
| 2005 | 4.57916 |
| 2004 | 4.44615 |
| 2003 | 4.31041 |
| 2002 | 4.16293 |
| 2001 | 4.03183 |
| 2000 | 3.91015 |
| 1999 | 3.79611 |
| 1998 | 3.6965 |
| 1997 | 3.61074 |
| 1996 | 3.53523 |
| 1995 | 3.46832 |
| 1994 | 3.40976 |
| 1993 | 3.35657 |
| 1992 | 3.30856 |
| 1991 | 3.26983 |
| 1990 | 3.24143 |
| 1989 | 3.22122 |
| 1988 | 3.20702 |
| 1987 | 3.19654 |
| 1986 | 3.18473 |
| 1985 | 3.1677 |
| 1984 | 3.14528 |
| 1983 | 3.11726 |
| 1982 | 3.0842 |
| 1981 | 3.0484 |
| 1980 | 3.0093 |
| 1979 | 2.96485 |
| 1978 | 2.91281 |
| 1977 | 2.85543 |
| 1976 | 2.80068 |
| 1975 | 2.75316 |
| 1974 | 2.71242 |
| 1973 | 2.68048 |
| 1972 | 2.65668 |
| 1971 | 2.63351 |
| 1970 | 2.60788 |
| 1969 | 2.58226 |
| 1968 | 2.55649 |
| 1967 | 2.52972 |
| 1966 | 2.50434 |
| 1965 | 2.4822 |
| 1964 | 2.46355 |
| 1963 | 2.44867 |
| 1962 | 2.43576 |
| 1961 | 2.41969 |
| 1960 | 2.39817 |