| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 5.84096 |
| 2021 | 5.84455 |
| 2020 | 5.77833 |
| 2019 | 5.67755 |
| 2018 | 5.5432 |
| 2017 | 5.39291 |
| 2016 | 5.24917 |
| 2015 | 5.11345 |
| 2014 | 4.9731 |
| 2013 | 4.81396 |
| 2012 | 4.6523 |
| 2011 | 4.48713 |
| 2010 | 4.30744 |
| 2009 | 4.13677 |
| 2008 | 3.98085 |
| 2007 | 3.8251 |
| 2006 | 3.65643 |
| 2005 | 3.47681 |
| 2004 | 3.30125 |
| 2003 | 3.13256 |
| 2002 | 2.96934 |
| 2001 | 2.81206 |
| 2000 | 2.68486 |
| 1999 | 2.61896 |
| 1998 | 2.61847 |
| 1997 | 2.67204 |
| 1996 | 2.7475 |
| 1995 | 2.75161 |
| 1994 | 2.67083 |
| 1993 | 2.56487 |
| 1992 | 2.44147 |
| 1991 | 2.30269 |
| 1990 | 2.15523 |
| 1989 | 2.02762 |
| 1988 | 1.93136 |
| 1987 | 1.84676 |
| 1986 | 1.75722 |
| 1985 | 1.67167 |
| 1984 | 1.59991 |
| 1983 | 1.53335 |
| 1982 | 1.46455 |
| 1981 | 1.39281 |
| 1980 | 1.31764 |
| 1979 | 1.26043 |
| 1978 | 1.22187 |
| 1977 | 1.17949 |
| 1976 | 1.13233 |
| 1975 | 1.08218 |
| 1974 | 1.0337 |
| 1973 | 0.985947 |
| 1972 | 0.936176 |
| 1971 | 0.882246 |
| 1970 | 0.819906 |
| 1969 | 0.755188 |
| 1968 | 0.694492 |
| 1967 | 0.637579 |
| 1966 | 0.58652 |
| 1965 | 0.539118 |
| 1964 | 0.494454 |
| 1963 | 0.455688 |
| 1962 | 0.417415 |
| 1961 | 0.386038 |
| 1960 | 0.39436 |