調查年份<br>Year of Survey	 年結調查次數<br>Number of Survey<br>(yearly)	年結成功樣本<br>Successful Sample<br>(yearly)	年結回應率<br>Response Rate<br>(yearly average)	有<br>Yes	冇<br>No	唔知/難講<br>DK/HS	合計<br>Total	淨值<br/>Net Value
1997	3	1565	44.5%	38.3%	52.2%	9.5%	100.0%	-13.9%
1998	6	3159	47.1%	31.3%	60.8%	7.9%	100.0%	-29.5%
1999	6	3233	51.2%	28.5%	63.0%	8.5%	100.0%	-34.5%
2000	5	4235	53.6%	30.1%	58.9%	11.0%	100.0%	-28.8%
2001	4	4188	69.5%	29.5%	57.5%	13.0%	100.0%	-28.1%
2002	4	4086	63.4%	29.0%	58.6%	12.5%	100.0%	-29.6%
2003	4	4184	66.4%	24.1%	65.9%	10.1%	100.0%	-41.8%
2004	4	4048	63.8%	28.4%	62.7%	8.9%	100.0%	-34.3%
2005	4	4045	63.2%	28.8%	62.8%	8.3%	100.0%	-34.0%
2006	2	2051	60.4%	32.5%	62.3%	5.2%	100.0%	-29.7%
2007	2	2017	63.0%	33.6%	62.6%	3.8%	100.0%	-29.1%
2008	2	2015	68.2%	31.4%	63.5%	5.1%	100.0%	-32.1%
2009	2	2012	68.6%	29.4%	67.0%	3.6%	100.0%	-37.6%
2010	2	2031	67.5%	32.0%	63.3%	4.7%	100.0%	-31.4%
2011	2	1098	66.1%	32.0%	64.0%	4.1%	100.0%	-32.0%
2012	2	1137	66.8%	33.3%	61.2%	5.5%	100.0%	-27.8%
2013	2	1208	67.9%	35.8%	56.1%	8.1%	100.0%	-20.3%
2014	2	1206	67.9%	41.2%	50.2%	8.5%	100.0%	-9.0%
2015	2	1176	65.4%	47.4%	45.8%	6.8%	100.0%	1.6%