| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 2.93377 |
| 2021 | 2.83774 |
| 2020 | 2.70874 |
| 2019 | 2.56796 |
| 2018 | 2.42443 |
| 2017 | 2.29197 |
| 2016 | 2.1862 |
| 2015 | 2.09582 |
| 2014 | 2.01204 |
| 2013 | 1.93931 |
| 2012 | 1.88002 |
| 2011 | 1.84028 |
| 2010 | 1.81059 |
| 2009 | 1.78006 |
| 2008 | 1.76231 |
| 2007 | 1.74426 |
| 2006 | 1.72747 |
| 2005 | 1.7258 |
| 2004 | 1.73494 |
| 2003 | 1.74713 |
| 2002 | 1.76624 |
| 2001 | 1.78828 |
| 2000 | 1.80939 |
| 1999 | 1.81914 |
| 1998 | 1.81753 |
| 1997 | 1.81243 |
| 1996 | 1.80429 |
| 1995 | 1.79406 |
| 1994 | 1.78039 |
| 1993 | 1.76134 |
| 1992 | 1.73911 |
| 1991 | 1.71754 |
| 1990 | 1.69689 |
| 1989 | 1.67753 |
| 1988 | 1.65925 |
| 1987 | 1.64019 |
| 1986 | 1.6179 |
| 1985 | 1.59132 |
| 1984 | 1.56176 |
| 1983 | 1.52971 |
| 1982 | 1.49718 |
| 1981 | 1.4673 |
| 1980 | 1.44076 |
| 1979 | 1.4163 |
| 1978 | 1.39318 |
| 1977 | 1.37139 |
| 1976 | 1.34754 |
| 1975 | 1.31827 |
| 1974 | 1.28529 |
| 1973 | 1.24899 |
| 1972 | 1.21138 |
| 1971 | 1.17701 |
| 1970 | 1.15164 |
| 1969 | 1.13984 |
| 1968 | 1.14049 |
| 1967 | 1.14963 |
| 1966 | 1.16139 |
| 1965 | 1.17294 |
| 1964 | 1.18548 |
| 1963 | 1.1983 |
| 1962 | 1.21231 |
| 1961 | 1.23361 |
| 1960 | 1.26772 |