| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 4.7681 |
| 2021 | 5.13633 |
| 2020 | 5.51789 |
| 2019 | 5.88399 |
| 2018 | 6.2059 |
| 2017 | 6.42005 |
| 2016 | 6.55291 |
| 2015 | 6.653 |
| 2014 | 6.75216 |
| 2013 | 6.83967 |
| 2012 | 6.84398 |
| 2011 | 6.7863 |
| 2010 | 6.75967 |
| 2009 | 6.75888 |
| 2008 | 6.76859 |
| 2007 | 6.83167 |
| 2006 | 6.91755 |
| 2005 | 6.97803 |
| 2004 | 7.00877 |
| 2003 | 7.00811 |
| 2002 | 6.97419 |
| 2001 | 6.93243 |
| 2000 | 6.90718 |
| 1999 | 6.94493 |
| 1998 | 7.04364 |
| 1997 | 7.17099 |
| 1996 | 7.30449 |
| 1995 | 7.45175 |
| 1994 | 7.61129 |
| 1993 | 7.77993 |
| 1992 | 7.96985 |
| 1991 | 8.18497 |
| 1990 | 8.47309 |
| 1989 | 8.85796 |
| 1988 | 9.29316 |
| 1987 | 9.77249 |
| 1986 | 10.276 |
| 1985 | 10.8077 |
| 1984 | 11.2782 |
| 1983 | 11.5938 |
| 1982 | 11.7751 |
| 1981 | 11.8577 |
| 1980 | 11.8139 |
| 1979 | 11.6166 |
| 1978 | 11.3231 |
| 1977 | 10.9761 |
| 1976 | 10.6592 |
| 1975 | 10.3899 |
| 1974 | 10.137 |
| 1973 | 9.80245 |
| 1972 | 9.34617 |
| 1971 | 8.78312 |
| 1970 | 8.17938 |
| 1969 | 7.54527 |
| 1968 | 6.87705 |
| 1967 | 6.24607 |
| 1966 | 5.73821 |
| 1965 | 5.481 |
| 1964 | 5.49729 |
| 1963 | 5.73686 |
| 1962 | 6.17159 |
| 1961 | 6.73297 |
| 1960 | 7.27085 |