| Reference Area | Time Period | Sex | Age group | Units of measurement | Observation Value |
|---|
| China | 1999 | Not applicable | Not applicable | Percent | 38.40109 |
| Hong Kong Special Administrative Region of China | 2002 | Not applicable | Not applicable | Percent | 33.60058 |
| Hong Kong Special Administrative Region of China | 2003 | Not applicable | Not applicable | Percent | 33.68517 |
| Hong Kong Special Administrative Region of China | 2004 | Not applicable | Not applicable | Percent | 34.04491 |
| Hong Kong Special Administrative Region of China | 2005 | Not applicable | Not applicable | Percent | 35.24127 |
| Hong Kong Special Administrative Region of China | 2006 | Not applicable | Not applicable | Percent | 35.97261 |
| Hong Kong Special Administrative Region of China | 2007 | Not applicable | Not applicable | Percent | 36.41686 |
| Hong Kong Special Administrative Region of China | 2008 | Not applicable | Not applicable | Percent | 36.42293 |
| Hong Kong Special Administrative Region of China | 2009 | Not applicable | Not applicable | Percent | 37.57588 |
| Hong Kong Special Administrative Region of China | 2010 | Not applicable | Not applicable | Percent | 37.88258 |
| Hong Kong Special Administrative Region of China | 2011 | Not applicable | Not applicable | Percent | 38.45518 |
| Hong Kong Special Administrative Region of China | 2012 | Not applicable | Not applicable | Percent | 39.27283 |
| Hong Kong Special Administrative Region of China | 2013 | Not applicable | Not applicable | Percent | 37.37696 |
| Hong Kong Special Administrative Region of China | 2014 | Not applicable | Not applicable | Percent | 35.03433 |
