| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.36329 |
| 2021 | 8.59554 |
| 2020 | 8.75572 |
| 2019 | 8.8472 |
| 2018 | 8.82206 |
| 2017 | 8.71277 |
| 2016 | 8.59677 |
| 2015 | 8.48359 |
| 2014 | 8.4262 |
| 2013 | 8.47251 |
| 2012 | 8.56995 |
| 2011 | 8.67686 |
| 2010 | 8.7894 |
| 2009 | 8.89457 |
| 2008 | 8.98383 |
| 2007 | 9.05636 |
| 2006 | 9.12986 |
| 2005 | 9.26065 |
| 2004 | 9.49868 |
| 2003 | 9.85087 |
| 2002 | 10.2625 |
| 2001 | 10.5911 |
| 2000 | 10.7702 |
| 1999 | 10.8043 |
| 1998 | 10.7275 |
| 1997 | 10.5913 |
| 1996 | 10.453 |
| 1995 | 10.2392 |
| 1994 | 9.89949 |
| 1993 | 9.50728 |
| 1992 | 9.10538 |
| 1991 | 8.71653 |
| 1990 | 8.36011 |
| 1989 | 8.09229 |
| 1988 | 7.84331 |
| 1987 | 7.56885 |
| 1986 | 7.23947 |
| 1985 | 6.71938 |
| 1984 | 6.05645 |
| 1983 | 5.40249 |
| 1982 | 4.7961 |
| 1981 | 4.34042 |
| 1980 | 4.1554 |
| 1979 | 4.15205 |
| 1978 | 4.24354 |
| 1977 | 4.41073 |
| 1976 | 4.59297 |
| 1975 | 4.78955 |
| 1974 | 5.01611 |
| 1973 | 5.28482 |
| 1972 | 5.57562 |
| 1971 | 5.86584 |
| 1970 | 6.13209 |
| 1969 | 6.35823 |
| 1968 | 6.5494 |
| 1967 | 6.6895 |
| 1966 | 6.78693 |
| 1965 | 6.8423 |
| 1964 | 6.90162 |
| 1963 | 6.97694 |
| 1962 | 7.08081 |
| 1961 | 7.20696 |
| 1960 | 7.32355 |