| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 5.42045 |
| 2021 | 5.41992 |
| 2020 | 5.38318 |
| 2019 | 5.31975 |
| 2018 | 5.18682 |
| 2017 | 5.04985 |
| 2016 | 5.01166 |
| 2015 | 5.04089 |
| 2014 | 5.09469 |
| 2013 | 5.19709 |
| 2012 | 5.33704 |
| 2011 | 5.51241 |
| 2010 | 5.65931 |
| 2009 | 5.76405 |
| 2008 | 5.86677 |
| 2007 | 5.97878 |
| 2006 | 6.07597 |
| 2005 | 6.16326 |
| 2004 | 6.23412 |
| 2003 | 6.2594 |
| 2002 | 6.21988 |
| 2001 | 6.11446 |
| 2000 | 5.99537 |
| 1999 | 5.8808 |
| 1998 | 5.75869 |
| 1997 | 5.66537 |
| 1996 | 5.5997 |
| 1995 | 5.53217 |
| 1994 | 5.46394 |
| 1993 | 5.37813 |
| 1992 | 5.28262 |
| 1991 | 5.24163 |
| 1990 | 5.28503 |
| 1989 | 5.38384 |
| 1988 | 5.507 |
| 1987 | 5.65936 |
| 1986 | 5.88 |
| 1985 | 6.17153 |
| 1984 | 6.4925 |
| 1983 | 6.82644 |
| 1982 | 7.13576 |
| 1981 | 7.33649 |
| 1980 | 7.45013 |
| 1979 | 7.6084 |
| 1978 | 7.78678 |
| 1977 | 7.90186 |
| 1976 | 7.94232 |
| 1975 | 7.91801 |
| 1974 | 7.82551 |
| 1973 | 7.64509 |
| 1972 | 7.40415 |
| 1971 | 7.12561 |
| 1970 | 6.84754 |
| 1969 | 6.65686 |
| 1968 | 6.54483 |
| 1967 | 6.48736 |
| 1966 | 6.56826 |
| 1965 | 6.8116 |
| 1964 | 7.12935 |
| 1963 | 7.44076 |
| 1962 | 7.67288 |
| 1961 | 7.76154 |
| 1960 | 7.71522 |