調查日期<br>Date of survey	樣本人數<br>Total Sample	次樣本人數<br>Sub-sample	回應率<br>Response rate	會<br>Yes	唔會<br>No	唔知／難講<br>DK/HS	合計<br>Total	評級<br/>Grading	淨值<br/>Net value
1-6/2012	7193	7193	64.7%	47.1%	41.5%	11.4%	100.0%	4	5.6%
7-12/2012	12175	12175	66.3%	37.8%	46.4%	15.5%	100.0%	4	-8.3%
1-6/2013	13235	13235	66.8%	31.5%	51.2%	17.3%	100.0%	4	-19.7%
7-12/2013	11148	11148	66.6%	26.2%	56.9%	16.8%	100.0%	4	-30.7%
1-6/2014	13272	13272	67.0%	26.6%	55.8%	17.7%	100.0%	4	-29.2%
7-12/2014	12147	12147	66.1%	23.8%	59.2%	17.0%	100.0%	4	-35.5%
1-6/2015	12989	12989	66.8%	23.5%	59.5%	17.0%	100.0%	4	-35.9%
7-12/2015	11105	11105	65.5%	23.7%	60.1%	16.2%	100.0%	4	-36.4%