| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 4.90803 |
| 2021 | 4.85966 |
| 2020 | 4.7626 |
| 2019 | 4.63019 |
| 2018 | 4.46434 |
| 2017 | 4.28376 |
| 2016 | 4.11253 |
| 2015 | 3.96381 |
| 2014 | 3.80929 |
| 2013 | 3.62276 |
| 2012 | 3.42849 |
| 2011 | 3.23262 |
| 2010 | 3.01775 |
| 2009 | 2.81479 |
| 2008 | 2.65034 |
| 2007 | 2.499 |
| 2006 | 2.34349 |
| 2005 | 2.19693 |
| 2004 | 2.06517 |
| 2003 | 1.94198 |
| 2002 | 1.82118 |
| 2001 | 1.70111 |
| 2000 | 1.60109 |
| 1999 | 1.53974 |
| 1998 | 1.51913 |
| 1997 | 1.5333 |
| 1996 | 1.55423 |
| 1995 | 1.51456 |
| 1994 | 1.41319 |
| 1993 | 1.2981 |
| 1992 | 1.17441 |
| 1991 | 1.04284 |
| 1990 | 0.916718 |
| 1989 | 0.813463 |
| 1988 | 0.729166 |
| 1987 | 0.659434 |
| 1986 | 0.60108 |
| 1985 | 0.556598 |
| 1984 | 0.526189 |
| 1983 | 0.499832 |
| 1982 | 0.470559 |
| 1981 | 0.437379 |
| 1980 | 0.397185 |
| 1979 | 0.362545 |
| 1978 | 0.340103 |
| 1977 | 0.318137 |
| 1976 | 0.297724 |
| 1975 | 0.281487 |
| 1974 | 0.27232 |
| 1973 | 0.27029 |
| 1972 | 0.272342 |
| 1971 | 0.272693 |
| 1970 | 0.255641 |
| 1969 | 0.225025 |
| 1968 | 0.197341 |
| 1967 | 0.174646 |
| 1966 | 0.157094 |
| 1965 | 0.143027 |
| 1964 | 0.132072 |
| 1963 | 0.125079 |
| 1962 | 0.119701 |
| 1961 | 0.115929 |
| 1960 | 0.1096 |