| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.0054 |
| 2021 | 8.35796 |
| 2020 | 8.65696 |
| 2019 | 8.88035 |
| 2018 | 8.99228 |
| 2017 | 9.02276 |
| 2016 | 8.99814 |
| 2015 | 8.85035 |
| 2014 | 8.59701 |
| 2013 | 8.31109 |
| 2012 | 8.00002 |
| 2011 | 7.67657 |
| 2010 | 7.38125 |
| 2009 | 7.14737 |
| 2008 | 6.94462 |
| 2007 | 6.7464 |
| 2006 | 6.47293 |
| 2005 | 6.01333 |
| 2004 | 5.45768 |
| 2003 | 4.96389 |
| 2002 | 4.54041 |
| 2001 | 4.20825 |
| 2000 | 4.06334 |
| 1999 | 4.03579 |
| 1998 | 4.06394 |
| 1997 | 4.19199 |
| 1996 | 4.36126 |
| 1995 | 4.47434 |
| 1994 | 4.52153 |
| 1993 | 4.59471 |
| 1992 | 4.66858 |
| 1991 | 4.71129 |
| 1990 | 4.797 |
| 1989 | 4.86932 |
| 1988 | 4.79595 |
| 1987 | 4.67535 |
| 1986 | 4.61336 |
| 1985 | 4.53298 |
| 1984 | 4.44938 |
| 1983 | 4.3614 |
| 1982 | 4.2641 |
| 1981 | 4.20258 |
| 1980 | 4.19727 |
| 1979 | 4.20655 |
| 1978 | 4.19777 |
| 1977 | 4.17351 |
| 1976 | 4.11578 |
| 1975 | 4.03207 |
| 1974 | 3.9488 |
| 1973 | 3.88131 |
| 1972 | 3.81158 |
| 1971 | 3.73541 |
| 1970 | 3.6536 |
| 1969 | 3.56131 |
| 1968 | 3.44687 |
| 1967 | 3.28728 |
| 1966 | 3.09564 |
| 1965 | 2.87728 |
| 1964 | 2.67738 |
| 1963 | 2.52551 |
| 1962 | 2.40493 |
| 1961 | 2.31695 |
| 1960 | 2.25328 |