| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 3.34862 |
| 2021 | 3.72424 |
| 2020 | 3.97045 |
| 2019 | 3.98503 |
| 2018 | 3.90526 |
| 2017 | 3.79413 |
| 2016 | 3.66869 |
| 2015 | 3.68406 |
| 2014 | 3.76009 |
| 2013 | 3.68217 |
| 2012 | 3.48691 |
| 2011 | 3.31473 |
| 2010 | 3.28725 |
| 2009 | 3.26959 |
| 2008 | 3.1706 |
| 2007 | 3.02896 |
| 2006 | 3.01867 |
| 2005 | 3.2471 |
| 2004 | 3.50196 |
| 2003 | 3.65248 |
| 2002 | 3.76419 |
| 2001 | 3.92284 |
| 2000 | 4.27158 |
| 1999 | 4.72486 |
| 1998 | 5.04391 |
| 1997 | 5.21315 |
| 1996 | 5.28526 |
| 1995 | 5.42858 |
| 1994 | 5.66665 |
| 1993 | 5.90496 |
| 1992 | 6.09294 |
| 1991 | 6.22559 |
| 1990 | 6.36923 |
| 1989 | 6.49099 |
| 1988 | 6.63261 |
| 1987 | 6.85617 |
| 1986 | 7.12824 |
| 1985 | 7.4264 |
| 1984 | 7.71504 |
| 1983 | 7.87411 |
| 1982 | 7.89171 |
| 1981 | 7.86193 |
| 1980 | 7.91557 |
| 1979 | 8.10406 |
| 1978 | 8.35438 |
| 1977 | 8.60688 |
| 1976 | 8.80239 |
| 1975 | 8.88909 |
| 1974 | 8.89923 |
| 1973 | 8.95662 |
| 1972 | 9.14342 |
| 1971 | 9.49846 |
| 1970 | 10.1997 |
| 1969 | 11.156 |
| 1968 | 12.0876 |
| 1967 | 12.9583 |
| 1966 | 13.7861 |
| 1965 | 14.5251 |
| 1964 | 15.137 |
| 1963 | 15.6946 |
| 1962 | 16.2067 |
| 1961 | 16.599 |
| 1960 | 16.8604 |