| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 5.58281 |
| 2021 | 5.37217 |
| 2020 | 5.00183 |
| 2019 | 4.56566 |
| 2018 | 4.15787 |
| 2017 | 3.77492 |
| 2016 | 3.48443 |
| 2015 | 3.36747 |
| 2014 | 3.35527 |
| 2013 | 3.39113 |
| 2012 | 3.48995 |
| 2011 | 3.5909 |
| 2010 | 3.61668 |
| 2009 | 3.60326 |
| 2008 | 3.59466 |
| 2007 | 3.57142 |
| 2006 | 3.54443 |
| 2005 | 3.54275 |
| 2004 | 3.51733 |
| 2003 | 3.41338 |
| 2002 | 3.29229 |
| 2001 | 3.19047 |
| 2000 | 3.06131 |
| 1999 | 2.93287 |
| 1998 | 2.8271 |
| 1997 | 2.73933 |
| 1996 | 2.65717 |
| 1995 | 2.52491 |
| 1994 | 2.38224 |
| 1993 | 2.27827 |
| 1992 | 2.18164 |
| 1991 | 2.10463 |
| 1990 | 2.06772 |
| 1989 | 2.04005 |
| 1988 | 2.02517 |
| 1987 | 2.01293 |
| 1986 | 1.96931 |
| 1985 | 1.89248 |
| 1984 | 1.80848 |
| 1983 | 1.72816 |
| 1982 | 1.63026 |
| 1981 | 1.50668 |
| 1980 | 1.36827 |
| 1979 | 1.26021 |
| 1978 | 1.17907 |
| 1977 | 1.10006 |
| 1976 | 1.03323 |
| 1975 | 0.985042 |
| 1974 | 0.95845 |
| 1973 | 0.945334 |
| 1972 | 0.932435 |
| 1971 | 0.903703 |
| 1970 | 0.837575 |
| 1969 | 0.746028 |
| 1968 | 0.664196 |
| 1967 | 0.603838 |
| 1966 | 0.563513 |
| 1965 | 0.537672 |
| 1964 | 0.519749 |
| 1963 | 0.504721 |
| 1962 | 0.487732 |
| 1961 | 0.466358 |
| 1960 | 0.432013 |