| 年份 | 斯里兰卡 |
|---|---|
| 2023 | - |
| 2022 | 3.81177 |
| 2021 | 3.68686 |
| 2020 | 3.52416 |
| 2019 | 3.34215 |
| 2018 | 3.14924 |
| 2017 | 2.97319 |
| 2016 | 2.8232 |
| 2015 | 2.67008 |
| 2014 | 2.5171 |
| 2013 | 2.3766 |
| 2012 | 2.26205 |
| 2011 | 2.20637 |
| 2010 | 2.1911 |
| 2009 | 2.17431 |
| 2008 | 2.16797 |
| 2007 | 2.14739 |
| 2006 | 2.12032 |
| 2005 | 2.10865 |
| 2004 | 2.10478 |
| 2003 | 2.10111 |
| 2002 | 2.10383 |
| 2001 | 2.10913 |
| 2000 | 2.10157 |
| 1999 | 2.07172 |
| 1998 | 2.031 |
| 1997 | 1.98614 |
| 1996 | 1.93812 |
| 1995 | 1.88768 |
| 1994 | 1.83443 |
| 1993 | 1.77749 |
| 1992 | 1.71952 |
| 1991 | 1.66554 |
| 1990 | 1.61774 |
| 1989 | 1.57675 |
| 1988 | 1.54182 |
| 1987 | 1.51114 |
| 1986 | 1.48179 |
| 1985 | 1.4513 |
| 1984 | 1.41996 |
| 1983 | 1.38792 |
| 1982 | 1.35601 |
| 1981 | 1.32651 |
| 1980 | 1.30003 |
| 1979 | 1.27572 |
| 1978 | 1.25415 |
| 1977 | 1.23517 |
| 1976 | 1.21488 |
| 1975 | 1.19067 |
| 1974 | 1.16358 |
| 1973 | 1.13373 |
| 1972 | 1.10239 |
| 1971 | 1.07329 |
| 1970 | 1.04983 |
| 1969 | 1.0335 |
| 1968 | 1.02489 |
| 1967 | 1.02213 |
| 1966 | 1.02062 |
| 1965 | 1.01806 |
| 1964 | 1.01594 |
| 1963 | 1.01393 |
| 1962 | 1.01221 |
| 1961 | 1.01626 |
| 1960 | 1.03053 |