| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.36174 |
| 2021 | 8.50215 |
| 2020 | 8.50843 |
| 2019 | 8.41106 |
| 2018 | 8.21838 |
| 2017 | 8.00085 |
| 2016 | 7.83456 |
| 2015 | 7.68243 |
| 2014 | 7.49519 |
| 2013 | 7.26845 |
| 2012 | 7.01203 |
| 2011 | 6.75008 |
| 2010 | 6.5177 |
| 2009 | 6.31883 |
| 2008 | 6.12323 |
| 2007 | 5.91116 |
| 2006 | 5.61914 |
| 2005 | 5.1949 |
| 2004 | 4.70233 |
| 2003 | 4.22081 |
| 2002 | 3.77182 |
| 2001 | 3.40356 |
| 2000 | 3.21085 |
| 1999 | 3.17217 |
| 1998 | 3.243 |
| 1997 | 3.41863 |
| 1996 | 3.65438 |
| 1995 | 3.86499 |
| 1994 | 3.99784 |
| 1993 | 4.12023 |
| 1992 | 4.22186 |
| 1991 | 4.27202 |
| 1990 | 4.348 |
| 1989 | 4.43227 |
| 1988 | 4.42127 |
| 1987 | 4.38655 |
| 1986 | 4.42368 |
| 1985 | 4.43719 |
| 1984 | 4.4006 |
| 1983 | 4.35697 |
| 1982 | 4.30485 |
| 1981 | 4.26467 |
| 1980 | 4.27545 |
| 1979 | 4.28595 |
| 1978 | 4.25905 |
| 1977 | 4.22621 |
| 1976 | 4.17582 |
| 1975 | 4.11007 |
| 1974 | 4.05568 |
| 1973 | 4.02112 |
| 1972 | 3.98395 |
| 1971 | 3.94091 |
| 1970 | 3.89209 |
| 1969 | 3.83831 |
| 1968 | 3.77508 |
| 1967 | 3.6809 |
| 1966 | 3.57211 |
| 1965 | 3.45534 |
| 1964 | 3.36043 |
| 1963 | 3.29867 |
| 1962 | 3.26009 |
| 1961 | 3.24304 |
| 1960 | 3.24605 |