| 年份 | 中国香港特别行政区 |
|---|---|
| 2023 | - |
| 2022 | 3.23544 |
| 2021 | 3.2365 |
| 2020 | 3.31315 |
| 2019 | 3.43476 |
| 2018 | 3.59852 |
| 2017 | 3.85129 |
| 2016 | 4.1978 |
| 2015 | 4.56923 |
| 2014 | 4.92054 |
| 2013 | 5.22106 |
| 2012 | 5.43173 |
| 2011 | 5.55497 |
| 2010 | 5.65449 |
| 2009 | 5.79023 |
| 2008 | 5.93927 |
| 2007 | 6.03948 |
| 2006 | 6.0949 |
| 2005 | 6.16295 |
| 2004 | 6.24409 |
| 2003 | 6.31328 |
| 2002 | 6.39168 |
| 2001 | 6.47557 |
| 2000 | 6.61122 |
| 1999 | 6.78945 |
| 1998 | 6.87932 |
| 1997 | 6.82027 |
| 1996 | 6.655 |
| 1995 | 6.5906 |
| 1994 | 6.7284 |
| 1993 | 6.96872 |
| 1992 | 7.27533 |
| 1991 | 7.59391 |
| 1990 | 7.8691 |
| 1989 | 8.05983 |
| 1988 | 8.17535 |
| 1987 | 8.24734 |
| 1986 | 8.33375 |
| 1985 | 8.63841 |
| 1984 | 9.20275 |
| 1983 | 9.8982 |
| 1982 | 10.6331 |
| 1981 | 11.2884 |
| 1980 | 11.7978 |
| 1979 | 12.124 |
| 1978 | 12.2923 |
| 1977 | 12.3649 |
| 1976 | 12.3517 |
| 1975 | 12.2121 |
| 1974 | 11.952 |
| 1973 | 11.646 |
| 1972 | 11.3293 |
| 1971 | 11.034 |
| 1970 | 10.7477 |
| 1969 | 10.4684 |
| 1968 | 10.1798 |
| 1967 | 9.83354 |
| 1966 | 9.36519 |
| 1965 | 8.68592 |
| 1964 | 7.82188 |
| 1963 | 6.88085 |
| 1962 | 5.96191 |
| 1961 | 5.21908 |
| 1960 | 4.87851 |