| 年份 | 斯里兰卡  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.64968 | 
| 2021 | 6.77846 | 
| 2020 | 6.919 | 
| 2019 | 7.07857 | 
| 2018 | 7.26254 | 
| 2017 | 7.45963 | 
| 2016 | 7.64603 | 
| 2015 | 7.80598 | 
| 2014 | 7.95158 | 
| 2013 | 8.09314 | 
| 2012 | 8.22809 | 
| 2011 | 8.36206 | 
| 2010 | 8.48471 | 
| 2009 | 8.57042 | 
| 2008 | 8.6138 | 
| 2007 | 8.6369 | 
| 2006 | 8.65704 | 
| 2005 | 8.66396 | 
| 2004 | 8.63568 | 
| 2003 | 8.56803 | 
| 2002 | 8.48886 | 
| 2001 | 8.42843 | 
| 2000 | 8.43454 | 
| 1999 | 8.54121 | 
| 1998 | 8.72279 | 
| 1997 | 8.93942 | 
| 1996 | 9.1441 | 
| 1995 | 9.31402 | 
| 1994 | 9.45888 | 
| 1993 | 9.57572 | 
| 1992 | 9.67308 | 
| 1991 | 9.794 | 
| 1990 | 9.97314 | 
| 1989 | 10.2133 | 
| 1988 | 10.5087 | 
| 1987 | 10.8698 | 
| 1986 | 11.3157 | 
| 1985 | 11.7871 | 
| 1984 | 12.2234 | 
| 1983 | 12.5996 | 
| 1982 | 12.8361 | 
| 1981 | 12.9112 | 
| 1980 | 12.8909 | 
| 1979 | 12.825 | 
| 1978 | 12.7884 | 
| 1977 | 12.8515 | 
| 1976 | 12.9769 | 
| 1975 | 13.163 | 
| 1974 | 13.4255 | 
| 1973 | 13.7205 | 
| 1972 | 14.0314 | 
| 1971 | 14.3392 | 
| 1970 | 14.6183 | 
| 1969 | 14.8817 | 
| 1968 | 15.1194 | 
| 1967 | 15.3147 | 
| 1966 | 15.5131 | 
| 1965 | 15.7459 | 
| 1964 | 15.9875 | 
| 1963 | 16.2167 | 
| 1962 | 16.4007 | 
| 1961 | 16.5116 | 
| 1960 | 16.5499 |