| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 8.15112 |
| 2021 | 5.8611 |
| 2020 | 7.90827 |
| 2019 | 5.06908 |
| 2018 | 4.24095 |
| 2017 | 2.83842 |
| 2016 | 3.44093 |
| 2015 | 3.42395 |
| 2014 | 3.0637 |
| 2013 | 2.70449 |
| 2012 | 3.5599 |
| 2011 | 2.45361 |
| 2010 | 3.35244 |
| 2009 | 2.3227 |
| 2008 | 2.02517 |
| 2007 | 3.16124 |
| 2006 | 0.89203 |
| 2005 | -2.56873 |
| 2004 | 1.38589 |
| 2003 | 2.37696 |
| 2002 | 2.86942 |
| 2001 | 6.33201 |
| 2000 | 2.44771 |
| 1999 | 3.47695 |
| 1998 | 1.1172 |
| 1997 | 2.86934 |
| 1996 | 4.07127 |
| 1995 | 3.27361 |
| 1994 | 3.97391 |
| 1993 | 2.62119 |
| 1992 | 13.5025 |
| 1991 | 8.10895 |
| 1990 | 5.2722 |
| 1989 | 5.23396 |
| 1988 | 4.00525 |
| 1987 | 3.37098 |
| 1986 | 6.32337 |
| 1985 | 2.94382 |
| 1984 | 4.1592 |
| 1983 | 6.39187 |
| 1982 | 5.72498 |
| 1981 | 21.1098 |
| 1980 | 7.70273 |
| 1979 | 10.1046 |
| 1978 | 9.41533 |
| 1977 | 8.75249 |
| 1976 | 6.15475 |
| 1975 | 6.72112 |
| 1974 | 9.1366 |
| 1973 | 10.3766 |
| 1972 | 6.49213 |
| 1971 | 3.06021 |
| 1970 | 5.08115 |
| 1969 | 9.07154 |
| 1968 | 5.5799 |
| 1967 | 10.3178 |
| 1966 | 11.2184 |
| 1965 | 8.06128 |
| 1964 | 9.86162 |
| 1963 | 10.4423 |
| 1962 | 4.4569 |
| 1961 | - |
| 1960 | - |