| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 0.710133 |
| 2021 | 0.842955 |
| 2020 | 0.953478 |
| 2019 | 1.25301 |
| 2018 | 1.23035 |
| 2017 | 0.931255 |
| 2016 | 0.985545 |
| 2015 | 0.839429 |
| 2014 | 0.743048 |
| 2013 | 0.783353 |
| 2012 | 0.553861 |
| 2011 | 0.508874 |
| 2010 | 0.685344 |
| 2009 | 0.712564 |
| 2008 | 0.722398 |
| 2007 | 0.7229 |
| 2006 | 0.717629 |
| 2005 | 0.726675 |
| 2004 | 0.714503 |
| 2003 | 0.704966 |
| 2002 | 0.676471 |
| 2001 | 0.463103 |
| 2000 | 0.319198 |
| 1999 | 0.389969 |
| 1998 | 0.437537 |
| 1997 | 0.431416 |
| 1996 | 0.41309 |
| 1995 | 0.330692 |
| 1994 | 0.389737 |
| 1993 | 0.464795 |
| 1992 | 0.591242 |
| 1991 | 0.865994 |
| 1990 | 1.13534 |
| 1989 | 1.20885 |
| 1988 | 1.24943 |
| 1987 | 1.22933 |
| 1986 | 1.04106 |
| 1985 | 1.00315 |
| 1984 | 0.997609 |
| 1983 | 1.00086 |
| 1982 | 0.882907 |
| 1981 | 0.851577 |
| 1980 | 0.682344 |
| 1979 | 0.727937 |
| 1978 | 0.780388 |
| 1977 | 0.889884 |
| 1976 | 1.12601 |
| 1975 | 1.33234 |
| 1974 | 1.43681 |
| 1973 | 1.52675 |
| 1972 | 1.60141 |
| 1971 | 1.39834 |
| 1970 | 1.33295 |
| 1969 | 1.39347 |
| 1968 | 1.49137 |
| 1967 | 1.5386 |
| 1966 | 1.52786 |
| 1965 | 1.49932 |
| 1964 | 1.47342 |
| 1963 | 1.43294 |
| 1962 | 1.38153 |
| 1961 | 1.37698 |
| 1960 | - |