| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 3.31023 |
| 2021 | 3.03633 |
| 2020 | 2.91473 |
| 2019 | 2.88908 |
| 2018 | 2.90445 |
| 2017 | 2.97822 |
| 2016 | 3.0626 |
| 2015 | 3.08322 |
| 2014 | 3.06936 |
| 2013 | 3.06896 |
| 2012 | 3.06007 |
| 2011 | 3.0338 |
| 2010 | 3.00685 |
| 2009 | 2.95447 |
| 2008 | 2.84544 |
| 2007 | 2.71699 |
| 2006 | 2.58857 |
| 2005 | 2.44568 |
| 2004 | 2.31834 |
| 2003 | 2.2186 |
| 2002 | 2.1155 |
| 2001 | 2.00994 |
| 2000 | 1.91192 |
| 1999 | 1.81118 |
| 1998 | 1.70133 |
| 1997 | 1.5687 |
| 1996 | 1.4291 |
| 1995 | 1.3589 |
| 1994 | 1.35906 |
| 1993 | 1.37901 |
| 1992 | 1.40203 |
| 1991 | 1.40559 |
| 1990 | 1.36966 |
| 1989 | 1.30263 |
| 1988 | 1.21626 |
| 1987 | 1.10784 |
| 1986 | 0.984348 |
| 1985 | 0.886233 |
| 1984 | 0.832577 |
| 1983 | 0.79192 |
| 1982 | 0.757665 |
| 1981 | 0.723598 |
| 1980 | 0.686162 |
| 1979 | 0.649023 |
| 1978 | 0.61933 |
| 1977 | 0.594681 |
| 1976 | 0.565064 |
| 1975 | 0.527214 |
| 1974 | 0.484374 |
| 1973 | 0.442355 |
| 1972 | 0.403977 |
| 1971 | 0.37421 |
| 1970 | 0.352837 |
| 1969 | 0.33882 |
| 1968 | 0.328255 |
| 1967 | 0.314399 |
| 1966 | 0.297084 |
| 1965 | 0.276517 |
| 1964 | 0.255521 |
| 1963 | 0.237852 |
| 1962 | 0.225165 |
| 1961 | 0.21603 |
| 1960 | 0.204903 |