| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 22.1238 |
| 2021 | 22.2726 |
| 2020 | 22.3785 |
| 2019 | 22.3694 |
| 2018 | 22.3068 |
| 2017 | 22.2552 |
| 2016 | 22.2955 |
| 2015 | 22.4278 |
| 2014 | 22.5002 |
| 2013 | 22.5555 |
| 2012 | 22.5772 |
| 2011 | 22.5425 |
| 2010 | 22.6347 |
| 2009 | 22.9037 |
| 2008 | 23.2206 |
| 2007 | 23.5599 |
| 2006 | 23.9375 |
| 2005 | 24.3201 |
| 2004 | 24.6264 |
| 2003 | 24.834 |
| 2002 | 24.9428 |
| 2001 | 24.9534 |
| 2000 | 25.0563 |
| 1999 | 25.2408 |
| 1998 | 25.2882 |
| 1997 | 25.2117 |
| 1996 | 25.0164 |
| 1995 | 24.8416 |
| 1994 | 24.6622 |
| 1993 | 24.3321 |
| 1992 | 23.8939 |
| 1991 | 23.4011 |
| 1990 | 23.1319 |
| 1989 | 23.0932 |
| 1988 | 23.1474 |
| 1987 | 23.287 |
| 1986 | 23.4921 |
| 1985 | 23.9191 |
| 1984 | 24.5261 |
| 1983 | 25.1689 |
| 1982 | 25.8612 |
| 1981 | 26.6128 |
| 1980 | 27.4549 |
| 1979 | 28.3517 |
| 1978 | 29.189 |
| 1977 | 29.8607 |
| 1976 | 30.4393 |
| 1975 | 31.3001 |
| 1974 | 32.3077 |
| 1973 | 33.0626 |
| 1972 | 33.5073 |
| 1971 | 33.5389 |
| 1970 | 33.2753 |
| 1969 | 32.99 |
| 1968 | 32.7399 |
| 1967 | 32.5042 |
| 1966 | 32.3422 |
| 1965 | 32.2885 |
| 1964 | 32.3668 |
| 1963 | 32.5188 |
| 1962 | 32.6242 |
| 1961 | 32.6214 |
| 1960 | 32.5127 |