| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 22.0811 |
| 2017 | 21.6932 |
| 2016 | 21.3355 |
| 2015 | 20.9403 |
| 2014 | 18.8541 |
| 2013 | 17.5444 |
| 2012 | 18.6505 |
| 2011 | 20.5059 |
| 2010 | 20.9306 |
| 2009 | 16.2824 |
| 2008 | 21.3971 |
| 2007 | 21.4734 |
| 2006 | 22.2058 |
| 2005 | 23.107 |
| 2004 | 22.9722 |
| 2003 | 23.3798 |
| 2002 | 23.2851 |
| 2001 | 23.328 |
| 2000 | - |
| 1999 | - |
| 1998 | - |
| 1997 | - |
| 1996 | 21.2709 |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | 23.8543 |
| 1991 | - |
| 1990 | 27.0934 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | 31.4388 |
| 1984 | 31.2478 |
| 1983 | 32.3705 |
| 1982 | 42.1606 |
| 1981 | 31.8284 |
| 1980 | 33.6975 |
| 1979 | - |
| 1978 | 40.6932 |
| 1977 | 45.5896 |
| 1976 | 46.5498 |
| 1975 | 46.9821 |
| 1974 | 52.2317 |
| 1973 | 52.6948 |
| 1972 | 47.3176 |
| 1971 | 49.5689 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |