| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.74724 |
| 2021 | 8.67537 |
| 2020 | 8.48217 |
| 2019 | 8.18553 |
| 2018 | 7.83734 |
| 2017 | 7.4598 |
| 2016 | 7.12246 |
| 2015 | 6.88978 |
| 2014 | 6.72045 |
| 2013 | 6.53796 |
| 2012 | 6.32786 |
| 2011 | 6.04408 |
| 2010 | 5.63427 |
| 2009 | 5.16108 |
| 2008 | 4.70596 |
| 2007 | 4.26976 |
| 2006 | 3.93268 |
| 2005 | 3.80023 |
| 2004 | 3.78629 |
| 2003 | 3.81255 |
| 2002 | 3.89207 |
| 2001 | 4.00233 |
| 2000 | 4.09999 |
| 1999 | 4.17157 |
| 1998 | 4.24657 |
| 1997 | 4.28744 |
| 1996 | 4.29489 |
| 1995 | 4.35375 |
| 1994 | 4.41678 |
| 1993 | 4.36939 |
| 1992 | 4.26755 |
| 1991 | 4.18883 |
| 1990 | 4.08776 |
| 1989 | 3.98573 |
| 1988 | 3.90604 |
| 1987 | 3.8326 |
| 1986 | 3.74723 |
| 1985 | 3.66466 |
| 1984 | 3.615 |
| 1983 | 3.57361 |
| 1982 | 3.51729 |
| 1981 | 3.43936 |
| 1980 | 3.32954 |
| 1979 | 3.23687 |
| 1978 | 3.19089 |
| 1977 | 3.14893 |
| 1976 | 3.1018 |
| 1975 | 3.04241 |
| 1974 | 2.96203 |
| 1973 | 2.8664 |
| 1972 | 2.75637 |
| 1971 | 2.62222 |
| 1970 | 2.43895 |
| 1969 | 2.23004 |
| 1968 | 2.04528 |
| 1967 | 1.9035 |
| 1966 | 1.80322 |
| 1965 | 1.74166 |
| 1964 | 1.69343 |
| 1963 | 1.63606 |
| 1962 | 1.55976 |
| 1961 | 1.46298 |
| 1960 | 1.35911 |