| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 2.95079 |
| 2021 | 2.63534 |
| 2020 | 2.46668 |
| 2019 | 2.42465 |
| 2018 | 2.45439 |
| 2017 | 2.54177 |
| 2016 | 2.65072 |
| 2015 | 2.74177 |
| 2014 | 2.80665 |
| 2013 | 2.85152 |
| 2012 | 2.87607 |
| 2011 | 2.87857 |
| 2010 | 2.869 |
| 2009 | 2.84206 |
| 2008 | 2.78515 |
| 2007 | 2.72438 |
| 2006 | 2.67885 |
| 2005 | 2.62717 |
| 2004 | 2.56932 |
| 2003 | 2.51055 |
| 2002 | 2.43977 |
| 2001 | 2.36706 |
| 2000 | 2.30496 |
| 1999 | 2.22493 |
| 1998 | 2.09411 |
| 1997 | 1.91878 |
| 1996 | 1.73093 |
| 1995 | 1.64309 |
| 1994 | 1.67689 |
| 1993 | 1.74752 |
| 1992 | 1.82832 |
| 1991 | 1.88813 |
| 1990 | 1.90964 |
| 1989 | 1.89107 |
| 1988 | 1.8274 |
| 1987 | 1.73461 |
| 1986 | 1.63611 |
| 1985 | 1.56318 |
| 1984 | 1.54007 |
| 1983 | 1.53935 |
| 1982 | 1.52738 |
| 1981 | 1.49942 |
| 1980 | 1.4738 |
| 1979 | 1.44539 |
| 1978 | 1.41196 |
| 1977 | 1.37907 |
| 1976 | 1.33897 |
| 1975 | 1.2875 |
| 1974 | 1.23186 |
| 1973 | 1.18072 |
| 1972 | 1.13025 |
| 1971 | 1.08265 |
| 1970 | 1.03457 |
| 1969 | 0.988599 |
| 1968 | 0.948774 |
| 1967 | 0.907079 |
| 1966 | 0.863508 |
| 1965 | 0.814171 |
| 1964 | 0.766425 |
| 1963 | 0.723696 |
| 1962 | 0.684583 |
| 1961 | 0.65414 |
| 1960 | 0.619434 |