| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 2.56581 |
| 2017 | 2.5032 |
| 2016 | 2.49434 |
| 2015 | 1.61669 |
| 2014 | 1.84316 |
| 2013 | 2.2713 |
| 2012 | 2.49994 |
| 2011 | 2.76034 |
| 2010 | 2.98179 |
| 2009 | 3.12968 |
| 2008 | 3.22642 |
| 2007 | 3.2246 |
| 2006 | 3.23616 |
| 2005 | 3.67134 |
| 2004 | 4.23759 |
| 2003 | 4.92138 |
| 2002 | 5.32273 |
| 2001 | 5.34672 |
| 2000 | - |
| 1999 | - |
| 1998 | - |
| 1997 | - |
| 1996 | 2.86326 |
| 1995 | 3.21948 |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | 6.60885 |
| 1984 | 7.02724 |
| 1983 | 7.21598 |
| 1982 | 7.66175 |
| 1981 | 8.2799 |
| 1980 | 9.35616 |
| 1979 | 17.1864 |
| 1978 | 19.8338 |
| 1977 | 21.3239 |
| 1976 | 22.5549 |
| 1975 | 22.8619 |
| 1974 | 23.3403 |
| 1973 | 24.1024 |
| 1972 | 24.1499 |
| 1971 | 24.902 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |