| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.18202 |
| 2021 | 8.07037 |
| 2020 | 8.00892 |
| 2019 | 8.0617 |
| 2018 | 8.24024 |
| 2017 | 8.48087 |
| 2016 | 8.65487 |
| 2015 | 8.73589 |
| 2014 | 8.73838 |
| 2013 | 8.63351 |
| 2012 | 8.49889 |
| 2011 | 8.42052 |
| 2010 | 8.32698 |
| 2009 | 8.15276 |
| 2008 | 7.91327 |
| 2007 | 7.62392 |
| 2006 | 7.32 |
| 2005 | 7.03681 |
| 2004 | 6.78376 |
| 2003 | 6.53109 |
| 2002 | 6.26162 |
| 2001 | 5.95537 |
| 2000 | 5.53982 |
| 1999 | 5.04605 |
| 1998 | 4.56021 |
| 1997 | 4.10333 |
| 1996 | 3.72515 |
| 1995 | 3.51425 |
| 1994 | 3.46752 |
| 1993 | 3.53433 |
| 1992 | 3.70456 |
| 1991 | 3.94472 |
| 1990 | 4.17384 |
| 1989 | 4.33138 |
| 1988 | 4.48384 |
| 1987 | 4.61479 |
| 1986 | 4.66843 |
| 1985 | 4.72986 |
| 1984 | 4.81067 |
| 1983 | 4.84198 |
| 1982 | 4.85997 |
| 1981 | 4.89668 |
| 1980 | 4.87491 |
| 1979 | 4.83655 |
| 1978 | 4.81095 |
| 1977 | 4.77545 |
| 1976 | 4.76649 |
| 1975 | 4.77826 |
| 1974 | 4.78587 |
| 1973 | 4.77432 |
| 1972 | 4.75451 |
| 1971 | 4.71866 |
| 1970 | 4.65479 |
| 1969 | 4.57669 |
| 1968 | 4.50853 |
| 1967 | 4.46909 |
| 1966 | 4.44557 |
| 1965 | 4.43426 |
| 1964 | 4.41237 |
| 1963 | 4.35506 |
| 1962 | 4.24318 |
| 1961 | 4.12268 |
| 1960 | 4.02264 |