調查日期<br>Date of Survey	樣本人數<br>Total Sample	回應率<br>Response rate	有<br>Yes	冇<br>No	唔知/難講<br>DK/HS	總數<br>Total	淨值<br/>Net Value
9-10/9/1997	518	43.0%	36.6%	52.6%	10.7%	100.0%	-16.0%
14-15/10/1997	517	46.6%	40.5%	49.2%	10.3%	100.0%	-8.7%
18/11/1997	530	43.9%	37.7%	54.8%	7.5%	100.0%	-17.1%
19/1/1998	512	47.7%	40.0%	51.8%	8.2%	100.0%	-11.8%
10/3/1998	552	44.5%	30.8%	62.4%	6.8%	100.0%	-31.6%
19/5/1998	530	56.0%	33.6%	54.7%	11.7%	100.0%	-21.1%
21/7/1998	553	47.0%	29.1%	62.4%	8.5%	100.0%	-33.3%
15/9/1998	510	42.5%	25.7%	69.3%	5.0%	100.0%	-43.6%
17-18/11/1998	502	45.0%	28.5%	64.2%	7.2%	100.0%	-35.7%
19-20/1/1999	510	54.2%	28.3%	65.5%	6.3%	100.0%	-37.2%
18/3/1999	530	55.4%	27.6%	63.8%	8.6%	100.0%	-36.2%
18/5/1999	518	48.0%	27.6%	65.4%	7.0%	100.0%	-37.8%
16-19/7/1999	553	52.8%	29.3%	62.2%	8.5%	100.0%	-32.9%
7-8/9/1999	550	46.7%	24.6%	66.4%	8.9%	100.0%	-41.8%
16-22/11/1999	572	50.1%	33.6%	54.8%	11.7%	100.0%	-21.2%
21-24/1/2000	537	56.1%	32.0%	58.5%	9.5%	100.0%	-26.5%
6-7/3/2000	530	62.8%	29.8%	59.8%	10.4%	100.0%	-30.0%
23-25/5/2000	1053	46.9%	30.3%	61.4%	8.3%	100.0%	-31.1%
8-12/8/2000	1059	52.8%	31.0%	55.1%	13.9%	100.0%	-24.1%
23-27/11/2000	1056	49.5%	27.4%	59.7%	12.9%	100.0%	-32.3%
5-13/2/2001	1061	61.4%	31.3%	51.4%	17.2%	100.0%	-20.1%
25-29/5/2001	1055	69.4%	27.6%	60.9%	11.4%	100.0%	-33.3%
1-3/8/2001	1015	80.0%	29.6%	59.7%	10.7%	100.0%	-30.1%
15-20/11/2001	1057	67.0%	29.3%	58.0%	12.7%	100.0%	-28.7%
4-6/2/2002	1001	56.9%	25.2%	62.1%	12.7%	100.0%	-36.9%
14-16/5/2002	1009	63.6%	28.8%	58.5%	12.8%	100.0%	-29.7%
14-19/8/2002	1018	68.0%	31.9%	55.4%	12.7%	100.0%	-23.5%
13-20/11/2002	1058	65.2%	30.0%	58.3%	11.7%	100.0%	-28.3%
14-18/2/2003	1045	68.3%	28.1%	60.2%	11.7%	100.0%	-32.1%
15-20/5/2003	1067	65.1%	21.9%	68.6%	9.4%	100.0%	-46.7%
11-12/8/2003	1010	68.7%	21.2%	68.2%	10.6%	100.0%	-47.0%
10-12/11/2003	1062	63.4%	25.0%	66.5%	8.5%	100.0%	-41.5%
9-14/2/2004	1008	66.0%	20.4%	68.6%	11.0%	100.0%	-48.2%
10-13/5/2004	1021	61.9%	31.1%	61.5%	7.4%	100.0%	-30.4%
9-16/8/2004	1019	62.9%	31.4%	58.5%	10.2%	100.0%	-27.1%
8-11/11/2004	1000	64.5%	30.8%	62.3%	6.9%	100.0%	-31.5%
14-16/2/2005	1024	65.2%	22.9%	68.1%	9.0%	100.0%	-45.2%
9-12/5/2005	1004	62.6%	26.6%	64.5%	8.9%	100.0%	-37.9%
5-9/8/2005	1001	61.0%	31.6%	60.3%	8.1%	100.0%	-28.7%
9-13/11/2005	1016	64.1%	34.2%	58.4%	7.3%	100.0%	-24.2%
3-7/4/2006	1029	59.5%	31.1%	63.4%	5.4%	100.0%	-32.3%
3-6/10/2006	1022	61.3%	33.9%	61.1%	5.0%	100.0%	-27.2%
2-10/4/2007	1009	60.6%	32.4%	63.5%	4.1%	100.0%	-31.1%
2-5/10/2007	1008	65.4%	34.8%	61.8%	3.4%	100.0%	-27.0%
9-11/4/2008	1011	68.6%	32.8%	62.0%	5.2%	100.0%	-29.1%
17-21/10/2008	1004	67.7%	30.0%	65.1%	4.9%	100.0%	-35.1%
6-9/4/2009	1010	67.5%	31.4%	65.1%	3.6%	100.0%	-33.7%
7-13/9/2009	1002	69.7%	27.4%	68.9%	3.7%	100.0%	-41.5%
15-25/4/2010	1020	69.8%	29.5%	66.2%	4.3%	100.0%	-36.7%
7-11/9/2010	1011	65.3%	34.4%	60.5%	5.1%	100.0%	-26.1%
11-18/4/2011	567	66.0%	34.5%	62.2%	3.3%	100.0%	-27.7%
5-10/9/2011	531	66.2%	29.4%	65.7%	4.8%	100.0%	-36.3%
10-18/4/2012	621	65.8%	36.0%	58.8%	5.1%	100.0%	-22.8%
8-18/10/2012	516	67.8%	30.6%	63.5%	5.8%	100.0%	-32.9%
28-31/5/2013	652	66.8%	33.8%	56.7%	9.4%	100.0%	-22.9%
28-31/10/2013	556	68.9%	37.8%	55.5%	6.7%	100.0%	-17.7%
7-10/4/2014	587	68.1%	36.6%	55.1%	8.3%	100.0%	-18.5%
23-30/9/2014	618	67.7%	45.8%	45.4%	8.8%	100.0%	0.5%
13-16/4/2015	588	69.1%	47.2%	47.8%	5.0%	100.0%	-0.7%
24-30/9/2015	588	61.8%	47.7%	43.8%	8.5%	100.0%	3.9%