調查日期<br>Date of Survey	半年結樣本人數<br>Total Sample<br>(Half-yearly Average)	回應率<br>Response rate	有<br>Yes	冇<br>No	唔知/難講<br>DK/HS	合計<br>Total	淨值<br/>Net Value
7-12/1997	1565	44.5%	69.4%	21.4%	9.2%	100.0%	48.1%
1-6/1998	1594	49.4%	63.5%	27.6%	8.9%	100.0%	35.9%
7-12/1998	1565	44.8%	61.4%	27.2%	11.5%	100.0%	34.2%
1-6/1999	1558	52.5%	61.0%	28.4%	10.6%	100.0%	32.6%
7-12/1999	1675	49.9%	56.5%	28.9%	14.6%	100.0%	27.6%
1-6/2000	2120	55.3%	62.1%	25.3%	12.7%	100.0%	36.8%
7-12/2000	2115	51.2%	54.7%	29.2%	16.2%	100.0%	25.5%
1-6/2001	2116	65.4%	55.4%	28.0%	16.7%	100.0%	27.5%
7-12/2001	2072	73.5%	53.9%	31.5%	14.6%	100.0%	22.4%
1-6/2002	2010	60.3%	53.3%	32.6%	14.2%	100.0%	20.7%
7-12/2002	2076	66.6%	55.5%	29.3%	15.3%	100.0%	26.2%
1-6/2003	2112	66.7%	51.5%	33.3%	15.3%	100.0%	18.3%
7-12/2003	2072	66.1%	51.4%	34.3%	14.4%	100.0%	17.1%
1-6/2004	2029	64.0%	54.2%	33.1%	12.7%	100.0%	21.1%
7-12/2004	2019	63.7%	60.3%	28.4%	11.5%	100.0%	31.9%
1-6/2005	2028	63.9%	55.1%	32.3%	12.6%	100.0%	22.8%
7-12/2005	2017	62.5%	60.9%	27.7%	11.3%	100.0%	33.2%
1-6/2006	1029	59.5%	55.8%	35.3%	8.8%	100.0%	20.5%
7-12/2006	1022	61.3%	62.8%	31.0%	6.2%	100.0%	31.8%
1-6/2007	1009	60.6%	61.3%	33.2%	5.5%	100.0%	28.1%
7-12/2007	1008	65.4%	63.6%	30.9%	5.5%	100.0%	32.7%
1-6/2008	1011	68.6%	61.7%	31.3%	7.0%	100.0%	30.4%
7-12/2008	1004	67.7%	61.0%	33.3%	5.7%	100.0%	27.7%
1-6/2009	1010	67.5%	64.6%	30.1%	5.3%	100.0%	34.5%
7-12/2009	1002	69.7%	59.2%	33.1%	7.7%	100.0%	26.1%
1-6/2010	1020	69.8%	63.1%	31.0%	6.0%	100.0%	32.1%
7-12/2010	1011	65.3%	62.8%	31.1%	6.1%	100.0%	31.7%
1-6/2011	564	66.0%	63.3%	30.3%	6.3%	100.0%	33.0%
7-12/2011	515	66.2%	57.8%	34.7%	7.5%	100.0%	23.1%
1-6/2012	592	65.8%	54.9%	36.6%	8.5%	100.0%	18.4%
7-12/2012	535	67.8%	48.1%	43.2%	8.7%	100.0%	5.0%
1-6/2013	668	66.8%	52.5%	37.7%	9.8%	100.0%	14.8%
7-12/2013	606	68.9%	56.8%	33.9%	9.3%	100.0%	22.8%
1-6/2014	542	68.1%	55.1%	34.8%	10.1%	100.0%	20.3%
7-12/2014	606	67.7%	58.3%	34.1%	7.7%	100.0%	24.2%
1-6/2015	599	69.1%	57.6%	35.3%	7.1%	100.0%	22.3%
7-12/2015	707	61.8%	61.6%	29.0%	9.3%	100.0%	32.6%