| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 6.82221 |
| 2021 | 6.88078 |
| 2020 | 7.04636 |
| 2019 | 7.34037 |
| 2018 | 7.73083 |
| 2017 | 8.15657 |
| 2016 | 8.5617 |
| 2015 | 8.89806 |
| 2014 | 9.12272 |
| 2013 | 9.2304 |
| 2012 | 9.28362 |
| 2011 | 9.31239 |
| 2010 | 9.22221 |
| 2009 | 8.99824 |
| 2008 | 8.70631 |
| 2007 | 8.36537 |
| 2006 | 7.99725 |
| 2005 | 7.68579 |
| 2004 | 7.46573 |
| 2003 | 7.26322 |
| 2002 | 7.04808 |
| 2001 | 6.77337 |
| 2000 | 6.33504 |
| 1999 | 5.80337 |
| 1998 | 5.32508 |
| 1997 | 4.90626 |
| 1996 | 4.56622 |
| 1995 | 4.3809 |
| 1994 | 4.31646 |
| 1993 | 4.33172 |
| 1992 | 4.44717 |
| 1991 | 4.60984 |
| 1990 | 4.73202 |
| 1989 | 4.80494 |
| 1988 | 4.93782 |
| 1987 | 5.07527 |
| 1986 | 5.1366 |
| 1985 | 5.21144 |
| 1984 | 5.26909 |
| 1983 | 5.22653 |
| 1982 | 5.16719 |
| 1981 | 5.14766 |
| 1980 | 5.07417 |
| 1979 | 4.98789 |
| 1978 | 4.91366 |
| 1977 | 4.84636 |
| 1976 | 4.83319 |
| 1975 | 4.85484 |
| 1974 | 4.88773 |
| 1973 | 4.91165 |
| 1972 | 4.91772 |
| 1971 | 4.88888 |
| 1970 | 4.79891 |
| 1969 | 4.67133 |
| 1968 | 4.55312 |
| 1967 | 4.46701 |
| 1966 | 4.39967 |
| 1965 | 4.34085 |
| 1964 | 4.25817 |
| 1963 | 4.1251 |
| 1962 | 3.93038 |
| 1961 | 3.71077 |
| 1960 | 3.49834 |