| 年份 | 斯里兰卡  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 7.25889 | 
| 2021 | 7.16827 | 
| 2020 | 6.97953 | 
| 2019 | 6.77436 | 
| 2018 | 6.59959 | 
| 2017 | 6.50047 | 
| 2016 | 6.49983 | 
| 2015 | 6.52596 | 
| 2014 | 6.55417 | 
| 2013 | 6.59374 | 
| 2012 | 6.6234 | 
| 2011 | 6.61226 | 
| 2010 | 6.63669 | 
| 2009 | 6.7046 | 
| 2008 | 6.75509 | 
| 2007 | 6.78623 | 
| 2006 | 6.81819 | 
| 2005 | 6.83421 | 
| 2004 | 6.82171 | 
| 2003 | 6.7821 | 
| 2002 | 6.70176 | 
| 2001 | 6.58366 | 
| 2000 | 6.43967 | 
| 1999 | 6.27902 | 
| 1998 | 6.11101 | 
| 1997 | 5.96632 | 
| 1996 | 5.85409 | 
| 1995 | 5.75457 | 
| 1994 | 5.65296 | 
| 1993 | 5.57537 | 
| 1992 | 5.53495 | 
| 1991 | 5.49783 | 
| 1990 | 5.44709 | 
| 1989 | 5.39143 | 
| 1988 | 5.30351 | 
| 1987 | 5.16996 | 
| 1986 | 5.03394 | 
| 1985 | 4.9198 | 
| 1984 | 4.82746 | 
| 1983 | 4.75738 | 
| 1982 | 4.70767 | 
| 1981 | 4.67496 | 
| 1980 | 4.65518 | 
| 1979 | 4.64576 | 
| 1978 | 4.64155 | 
| 1977 | 4.64061 | 
| 1976 | 4.65217 | 
| 1975 | 4.6809 | 
| 1974 | 4.72365 | 
| 1973 | 4.78177 | 
| 1972 | 4.85151 | 
| 1971 | 4.91917 | 
| 1970 | 4.97731 | 
| 1969 | 5.02626 | 
| 1968 | 5.0647 | 
| 1967 | 5.09184 | 
| 1966 | 5.11061 | 
| 1965 | 5.12334 | 
| 1964 | 5.12905 | 
| 1963 | 5.12448 | 
| 1962 | 5.11252 | 
| 1961 | 5.09886 | 
| 1960 | 5.08746 |