| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 3.00472 |
| 2021 | 2.74683 |
| 2020 | 2.6381 |
| 2019 | 2.69008 |
| 2018 | 2.78436 |
| 2017 | 2.90366 |
| 2016 | 2.99779 |
| 2015 | 3.04401 |
| 2014 | 3.04123 |
| 2013 | 2.99376 |
| 2012 | 2.92726 |
| 2011 | 2.83937 |
| 2010 | 2.74989 |
| 2009 | 2.68079 |
| 2008 | 2.61812 |
| 2007 | 2.57341 |
| 2006 | 2.56132 |
| 2005 | 2.55334 |
| 2004 | 2.54433 |
| 2003 | 2.55934 |
| 2002 | 2.57804 |
| 2001 | 2.55616 |
| 2000 | 2.51558 |
| 1999 | 2.46085 |
| 1998 | 2.38332 |
| 1997 | 2.30464 |
| 1996 | 2.23582 |
| 1995 | 2.20298 |
| 1994 | 2.21584 |
| 1993 | 2.2813 |
| 1992 | 2.38674 |
| 1991 | 2.46824 |
| 1990 | 2.50584 |
| 1989 | 2.55573 |
| 1988 | 2.60233 |
| 1987 | 2.58757 |
| 1986 | 2.55589 |
| 1985 | 2.54688 |
| 1984 | 2.51366 |
| 1983 | 2.45047 |
| 1982 | 2.39676 |
| 1981 | 2.35813 |
| 1980 | 2.30234 |
| 1979 | 2.23829 |
| 1978 | 2.18189 |
| 1977 | 2.1278 |
| 1976 | 2.08267 |
| 1975 | 2.04412 |
| 1974 | 1.99837 |
| 1973 | 1.94839 |
| 1972 | 1.91105 |
| 1971 | 1.88311 |
| 1970 | 1.88572 |
| 1969 | 1.92101 |
| 1968 | 1.95537 |
| 1967 | 1.96826 |
| 1966 | 1.9551 |
| 1965 | 1.94309 |
| 1964 | 1.95321 |
| 1963 | 1.97275 |
| 1962 | 1.98693 |
| 1961 | 2.02626 |
| 1960 | 2.08175 |