| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 3.61461 |
| 2021 | 3.51431 |
| 2020 | 3.39241 |
| 2019 | 3.30518 |
| 2018 | 3.25523 |
| 2017 | 3.23789 |
| 2016 | 3.26867 |
| 2015 | 3.34604 |
| 2014 | 3.46766 |
| 2013 | 3.65936 |
| 2012 | 3.94915 |
| 2011 | 4.29862 |
| 2010 | 4.62738 |
| 2009 | 4.9387 |
| 2008 | 5.24667 |
| 2007 | 5.50571 |
| 2006 | 5.67526 |
| 2005 | 5.76765 |
| 2004 | 5.85052 |
| 2003 | 5.97496 |
| 2002 | 6.09195 |
| 2001 | 6.16909 |
| 2000 | 6.20574 |
| 1999 | 6.22262 |
| 1998 | 6.27626 |
| 1997 | 6.44125 |
| 1996 | 6.69211 |
| 1995 | 6.88397 |
| 1994 | 6.99721 |
| 1993 | 7.05361 |
| 1992 | 7.04953 |
| 1991 | 7.04095 |
| 1990 | 7.09827 |
| 1989 | 7.26166 |
| 1988 | 7.50023 |
| 1987 | 7.75396 |
| 1986 | 7.96006 |
| 1985 | 8.08823 |
| 1984 | 8.17606 |
| 1983 | 8.30797 |
| 1982 | 8.53916 |
| 1981 | 8.87567 |
| 1980 | 9.32678 |
| 1979 | 9.91635 |
| 1978 | 10.6105 |
| 1977 | 11.3024 |
| 1976 | 11.9362 |
| 1975 | 12.4798 |
| 1974 | 12.878 |
| 1973 | 13.1221 |
| 1972 | 13.2395 |
| 1971 | 13.22 |
| 1970 | 13.0719 |
| 1969 | 12.8407 |
| 1968 | 12.5629 |
| 1967 | 12.2487 |
| 1966 | 11.931 |
| 1965 | 11.689 |
| 1964 | 11.5317 |
| 1963 | 11.4019 |
| 1962 | 11.2339 |
| 1961 | 10.885 |
| 1960 | 10.1606 |