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%	69.4%	21.4%	9.2%	100.0%	48.1%
1998	6	3159	47.1%	62.4%	27.4%	10.2%	100.0%	35.0%
1999	6	3233	51.2%	58.8%	28.7%	12.6%	100.0%	30.1%
2000	5	4235	53.6%	59.1%	26.8%	14.1%	100.0%	32.3%
2001	4	4188	69.5%	54.7%	29.7%	15.7%	100.0%	24.9%
2002	4	4086	63.4%	54.4%	30.9%	14.7%	100.0%	23.4%
2003	4	4184	66.4%	51.5%	33.8%	14.8%	100.0%	17.7%
2004	4	4048	63.8%	57.2%	30.7%	12.1%	100.0%	26.5%
2005	4	4045	63.2%	58.0%	30.0%	11.9%	100.0%	28.0%
2006	2	2051	60.4%	59.3%	33.2%	7.5%	100.0%	26.2%
2007	2	2017	63.0%	62.4%	32.0%	5.5%	100.0%	30.4%
2008	2	2015	68.2%	61.4%	32.3%	6.4%	100.0%	29.1%
2009	2	2012	68.6%	61.9%	31.6%	6.5%	100.0%	30.3%
2010	2	2031	67.5%	62.9%	31.0%	6.0%	100.0%	31.9%
2011	2	1079	66.1%	60.6%	32.5%	6.9%	100.0%	28.0%
2012	2	1128	66.8%	51.5%	39.9%	8.6%	100.0%	11.7%
2013	2	1274	67.9%	54.6%	35.8%	9.6%	100.0%	18.8%
2014	2	1148	67.9%	56.7%	34.5%	8.9%	100.0%	22.2%
2015	2	1306	65.4%	59.6%	32.2%	8.2%	100.0%	27.4%