| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.65422 |
| 2021 | 8.50046 |
| 2020 | 8.36061 |
| 2019 | 8.28181 |
| 2018 | 8.29896 |
| 2017 | 8.36049 |
| 2016 | 8.42988 |
| 2015 | 8.5112 |
| 2014 | 8.57674 |
| 2013 | 8.61552 |
| 2012 | 8.64291 |
| 2011 | 8.6799 |
| 2010 | 8.77824 |
| 2009 | 8.98722 |
| 2008 | 9.32486 |
| 2007 | 9.72693 |
| 2006 | 10.0363 |
| 2005 | 10.1838 |
| 2004 | 10.1928 |
| 2003 | 10.0975 |
| 2002 | 9.95388 |
| 2001 | 9.82688 |
| 2000 | 9.63077 |
| 1999 | 9.3385 |
| 1998 | 9.00789 |
| 1997 | 8.66266 |
| 1996 | 8.32 |
| 1995 | 7.97182 |
| 1994 | 7.69025 |
| 1993 | 7.43486 |
| 1992 | 7.1535 |
| 1991 | 6.82979 |
| 1990 | 6.35971 |
| 1989 | 5.77644 |
| 1988 | 5.2222 |
| 1987 | 4.7113 |
| 1986 | 4.27073 |
| 1985 | 4.0295 |
| 1984 | 3.98397 |
| 1983 | 4.06644 |
| 1982 | 4.25278 |
| 1981 | 4.45959 |
| 1980 | 4.62156 |
| 1979 | 4.75896 |
| 1978 | 4.92513 |
| 1977 | 5.12326 |
| 1976 | 5.33525 |
| 1975 | 5.55826 |
| 1974 | 5.76455 |
| 1973 | 5.92271 |
| 1972 | 6.04881 |
| 1971 | 6.13226 |
| 1970 | 6.14204 |
| 1969 | 6.10429 |
| 1968 | 6.06943 |
| 1967 | 6.06866 |
| 1966 | 6.09672 |
| 1965 | 6.15633 |
| 1964 | 6.19882 |
| 1963 | 6.20334 |
| 1962 | 6.17649 |
| 1961 | 6.14193 |
| 1960 | 6.09512 |