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	總數<br>Total	淨值<br/>Net Value
1997	3	1565	44.5%	54.5%	31.4%	14.1%	100.0%	23.2%
1998	4	2077	45.6%	60.6%	27.5%	11.9%	100.0%	33.2%
1999	6	3233	51.2%	70.0%	18.5%	11.5%	100.0%	51.5%
2000	5	4235	53.6%	66.4%	20.2%	13.3%	100.0%	46.2%
2001	4	4188	69.5%	63.7%	21.8%	14.5%	100.0%	42.0%
2002	4	4086	63.4%	65.8%	18.7%	15.5%	100.0%	47.1%
2003	4	4184	66.4%	71.3%	17.2%	11.5%	100.0%	54.1%
2004	4	4048	63.8%	65.3%	21.7%	13.0%	100.0%	43.6%
2005	4	4045	63.2%	65.4%	22.9%	11.7%	100.0%	42.5%
2006	2	2051	60.4%	73.4%	20.7%	5.9%	100.0%	52.7%
2007	2	2017	63.0%	72.5%	22.3%	5.3%	100.0%	50.2%
2008	2	2015	68.2%	74.2%	21.1%	4.7%	100.0%	53.1%
2009	2	2012	68.6%	74.6%	20.5%	4.8%	100.0%	54.1%
2010	2	2031	67.5%	72.1%	22.1%	5.7%	100.0%	50.0%
2011	2	1101	66.1%	71.4%	23.1%	5.5%	100.0%	48.3%
2012	2	1140	66.8%	71.2%	22.3%	6.5%	100.0%	48.9%
2013	2	1128	67.9%	65.4%	27.7%	6.9%	100.0%	37.7%
2014	2	1189	67.9%	61.6%	29.7%	8.7%	100.0%	32.0%
2015	2	1231	65.4%	59.9%	32.7%	7.4%	100.0%	27.2%