| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 5 |
| 2020 | 5.8 |
| 2019 | 7 |
| 2018 | 7.2 |
| 2017 | 7.6 |
| 2016 | 8.3 |
| 2015 | 8.2 |
| 2014 | 8.6 |
| 2013 | 8 |
| 2012 | 12.8 |
| 2011 | 13.5 |
| 2010 | 12.6 |
| 2009 | 11.8 |
| 2008 | 11.3 |
| 2007 | 10.2 |
| 2006 | 9.6 |
| 2005 | 8.4 |
| 2004 | 7.2 |
| 2003 | 6.9 |
| 2002 | 7.1 |
| 2001 | 7.2 |
| 2000 | 8.1 |
| 1999 | 7.8 |
| 1998 | 8.1 |
| 1997 | 9.1 |
| 1996 | 9.9 |
| 1995 | 11.2 |
| 1994 | 11.9 |
| 1993 | 12 |
| 1992 | 12.3 |
| 1991 | 12 |
| 1990 | 12 |
| 1989 | 12.3 |
| 1988 | 13.4 |
| 1987 | 12.6 |
| 1986 | 13 |
| 1985 | 14 |
| 1984 | 14.4 |
| 1983 | 15.6 |
| 1982 | 16.4 |
| 1981 | 16.8 |
| 1980 | 17 |
| 1979 | 16.8 |
| 1978 | 17.3 |
| 1977 | 17.5 |
| 1976 | 17.4 |
| 1975 | 17.9 |
| 1974 | 19.1 |
| 1973 | 19.4 |
| 1972 | 19.5 |
| 1971 | 19.7 |
| 1970 | 20 |
| 1969 | 21.3 |
| 1968 | 21.7 |
| 1967 | 23.7 |
| 1966 | 25.3 |
| 1965 | 28.1 |
| 1964 | 30.7 |
| 1963 | 33.5 |
| 1962 | 34 |
| 1961 | 35 |
| 1960 | 35.725 |