| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 4.9416 |
| 2021 | 4.85821 |
| 2020 | 4.7501 |
| 2019 | 4.62961 |
| 2018 | 4.56025 |
| 2017 | 4.51976 |
| 2016 | 4.45305 |
| 2015 | 4.41252 |
| 2014 | 4.38809 |
| 2013 | 4.33078 |
| 2012 | 4.25655 |
| 2011 | 4.12657 |
| 2010 | 3.93622 |
| 2009 | 3.75654 |
| 2008 | 3.59173 |
| 2007 | 3.43899 |
| 2006 | 3.31295 |
| 2005 | 3.20334 |
| 2004 | 3.1089 |
| 2003 | 3.03 |
| 2002 | 2.9682 |
| 2001 | 2.91801 |
| 2000 | 2.87813 |
| 1999 | 2.8418 |
| 1998 | 2.80629 |
| 1997 | 2.7766 |
| 1996 | 2.75761 |
| 1995 | 2.75119 |
| 1994 | 2.75513 |
| 1993 | 2.76829 |
| 1992 | 2.7882 |
| 1991 | 2.80785 |
| 1990 | 2.82193 |
| 1989 | 2.83106 |
| 1988 | 2.83334 |
| 1987 | 2.82744 |
| 1986 | 2.81672 |
| 1985 | 2.80268 |
| 1984 | 2.78408 |
| 1983 | 2.75962 |
| 1982 | 2.73308 |
| 1981 | 2.70917 |
| 1980 | 2.68835 |
| 1979 | 2.66933 |
| 1978 | 2.65161 |
| 1977 | 2.6337 |
| 1976 | 2.61237 |
| 1975 | 2.58516 |
| 1974 | 2.55333 |
| 1973 | 2.51772 |
| 1972 | 2.47976 |
| 1971 | 2.44246 |
| 1970 | 2.41003 |
| 1969 | 2.38519 |
| 1968 | 2.36769 |
| 1967 | 2.35406 |
| 1966 | 2.33662 |
| 1965 | 2.3119 |
| 1964 | 2.28218 |
| 1963 | 2.24646 |
| 1962 | 2.20747 |
| 1961 | 2.17648 |
| 1960 | 2.16017 |