| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.00861 |
| 2021 | 4.17291 |
| 2020 | 4.24353 |
| 2019 | 4.24265 |
| 2018 | 4.23543 |
| 2017 | 4.07498 |
| 2016 | 3.74413 |
| 2015 | 3.54841 |
| 2014 | 3.53479 |
| 2013 | 3.54858 |
| 2012 | 3.62175 |
| 2011 | 3.72477 |
| 2010 | 3.79892 |
| 2009 | 3.80156 |
| 2008 | 3.73876 |
| 2007 | 3.64794 |
| 2006 | 3.55308 |
| 2005 | 3.46977 |
| 2004 | 3.39999 |
| 2003 | 3.33553 |
| 2002 | 3.29773 |
| 2001 | 3.29435 |
| 2000 | 3.29092 |
| 1999 | 3.28945 |
| 1998 | 3.3173 |
| 1997 | 3.35424 |
| 1996 | 3.35155 |
| 1995 | 3.31392 |
| 1994 | 3.2481 |
| 1993 | 3.16309 |
| 1992 | 3.09138 |
| 1991 | 3.05292 |
| 1990 | 3.05254 |
| 1989 | 3.08116 |
| 1988 | 3.1634 |
| 1987 | 3.312 |
| 1986 | 3.44857 |
| 1985 | 3.54622 |
| 1984 | 3.64217 |
| 1983 | 3.72409 |
| 1982 | 3.74503 |
| 1981 | 3.7188 |
| 1980 | 3.68001 |
| 1979 | 3.60091 |
| 1978 | 3.50174 |
| 1977 | 3.41146 |
| 1976 | 3.34384 |
| 1975 | 3.31198 |
| 1974 | 3.29192 |
| 1973 | 3.24981 |
| 1972 | 3.19149 |
| 1971 | 3.15259 |
| 1970 | 3.11275 |
| 1969 | 3.0411 |
| 1968 | 2.97998 |
| 1967 | 2.96382 |
| 1966 | 2.96554 |
| 1965 | 2.97216 |
| 1964 | 2.99207 |
| 1963 | 3.00093 |
| 1962 | 2.98318 |
| 1961 | 2.94788 |
| 1960 | 2.95136 |