| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 4.21894 |
| 2021 | 4.68285 |
| 2020 | 4.99189 |
| 2019 | 5.01911 |
| 2018 | 4.92217 |
| 2017 | 4.78121 |
| 2016 | 4.62947 |
| 2015 | 4.6465 |
| 2014 | 4.73485 |
| 2013 | 4.64345 |
| 2012 | 4.38591 |
| 2011 | 4.13774 |
| 2010 | 4.08455 |
| 2009 | 4.03568 |
| 2008 | 3.86385 |
| 2007 | 3.64485 |
| 2006 | 3.59032 |
| 2005 | 3.81402 |
| 2004 | 4.07625 |
| 2003 | 4.22525 |
| 2002 | 4.33086 |
| 2001 | 4.49313 |
| 2000 | 4.85128 |
| 1999 | 5.30879 |
| 1998 | 5.63047 |
| 1997 | 5.78223 |
| 1996 | 5.81928 |
| 1995 | 5.92573 |
| 1994 | 6.12572 |
| 1993 | 6.3025 |
| 1992 | 6.41866 |
| 1991 | 6.49388 |
| 1990 | 6.58768 |
| 1989 | 6.70296 |
| 1988 | 6.85837 |
| 1987 | 7.08422 |
| 1986 | 7.36725 |
| 1985 | 7.62874 |
| 1984 | 7.81403 |
| 1983 | 7.90685 |
| 1982 | 7.91613 |
| 1981 | 7.89859 |
| 1980 | 7.96416 |
| 1979 | 8.14903 |
| 1978 | 8.39282 |
| 1977 | 8.64729 |
| 1976 | 8.85106 |
| 1975 | 8.94981 |
| 1974 | 8.98217 |
| 1973 | 9.07933 |
| 1972 | 9.31687 |
| 1971 | 9.72068 |
| 1970 | 10.4288 |
| 1969 | 11.347 |
| 1968 | 12.2308 |
| 1967 | 13.0534 |
| 1966 | 13.8437 |
| 1965 | 14.5593 |
| 1964 | 15.1727 |
| 1963 | 15.7509 |
| 1962 | 16.2821 |
| 1961 | 16.6947 |
| 1960 | 16.9819 |