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%	49.4%	32.3%	18.3%	100.0%	17.1%
14-15/10/1997	517	46.6%	47.5%	35.5%	17.0%	100.0%	12.0%
18/11/1997	530	43.9%	57.5%	28.4%	14.1%	100.0%	29.1%
19/1/1998	512	47.7%	55.6%	28.5%	15.9%	100.0%	27.1%
21/7/1998	553	47.0%	52.6%	29.5%	18.0%	100.0%	23.1%
15/9/1998	510	42.5%	59.4%	29.0%	11.7%	100.0%	30.4%
17-18/11/1998	502	45.0%	74.8%	18.4%	6.8%	100.0%	56.4%
19-20/1/1999	510	54.2%	69.3%	19.2%	11.5%	100.0%	50.1%
18/3/1999	530	55.4%	64.6%	24.4%	11.0%	100.0%	40.2%
18/5/1999	518	48.0%	67.9%	20.5%	11.6%	100.0%	47.4%
16-19/7/1999	553	52.8%	67.9%	18.6%	13.5%	100.0%	49.3%
7-8/9/1999	550	46.7%	70.3%	13.4%	16.4%	100.0%	56.9%
16-22/11/1999	572	50.1%	67.5%	17.9%	14.6%	100.0%	49.6%
21-24/1/2000	537	56.1%	72.1%	14.8%	13.1%	100.0%	57.3%
6-7/3/2000	530	62.8%	65.5%	18.3%	16.2%	100.0%	47.2%
23-25/5/2000	1053	46.9%	66.4%	18.7%	14.9%	100.0%	47.7%
8-12/8/2000	1059	52.9%	62.5%	19.4%	18.1%	100.0%	43.1%
23-27/11/2000	1056	49.5%	63.1%	19.1%	17.9%	100.0%	44.0%
5-13/2/2001	1061	61.4%	61.0%	19.2%	19.8%	100.0%	41.8%
25-29/5/2001	1055	69.4%	65.3%	19.2%	15.5%	100.0%	46.1%
1-3/8/2001	1015	80.0%	62.7%	20.7%	16.6%	100.0%	42.0%
15-20/11/2001	1057	67.0%	65.3%	21.9%	12.8%	100.0%	43.4%
4-6/2/2002	1001	56.9%	62.4%	19.6%	18.0%	100.0%	42.8%
14-16/5/2002	1009	63.6%	62.3%	19.7%	18.0%	100.0%	42.6%
14-19/8/2002	1018	68.0%	63.8%	19.8%	16.5%	100.0%	44.0%
13-20/11/2002	1058	65.2%	69.8%	13.9%	16.3%	100.0%	55.9%
14-18/2/2003	1045	68.3%	66.5%	17.5%	16.0%	100.0%	49.0%
15-20/5/2003	1067	65.1%	68.7%	18.3%	13.0%	100.0%	50.4%
11-12/8/2003	1010	68.7%	64.2%	23.3%	12.6%	100.0%	40.9%
10-12/11/2003	1062	63.4%	70.0%	17.5%	12.6%	100.0%	52.5%
9-14/2/2004	1008	66.0%	61.9%	21.4%	16.8%	100.0%	40.5%
10-13/5/2004	1021	61.9%	61.5%	23.4%	15.1%	100.0%	38.1%
9-16/8/2004	1019	62.9%	56.9%	26.8%	16.3%	100.0%	30.1%
8-11/11/2004	1000	64.5%	64.5%	23.5%	12.0%	100.0%	41.0%
14-16/2/2005	1024	65.2%	58.7%	27.0%	14.3%	100.0%	31.7%
9-12/5/2005	1004	62.6%	63.0%	22.5%	14.5%	100.0%	40.5%
5-9/8/2005	1001	61.0%	65.8%	20.4%	13.8%	100.0%	45.4%
9-13/11/2005	1016	64.1%	60.1%	26.9%	13.0%	100.0%	33.2%
3-7/4/2006	1029	59.5%	69.1%	21.6%	9.3%	100.0%	47.5%
3-6/10/2006	1022	61.3%	74.2%	17.9%	7.9%	100.0%	56.3%
2-10/4/2007	1009	60.6%	68.3%	24.5%	7.1%	100.0%	43.8%
2-5/10/2007	1008	65.4%	67.7%	26.4%	6.0%	100.0%	41.3%
9-11/4/2008	1011	68.6%	65.5%	25.9%	8.6%	100.0%	39.6%
17-21/10/2008	1004	67.7%	60.5%	30.9%	8.7%	100.0%	29.6%
6-9/4/2009	1010	67.5%	66.7%	26.0%	7.3%	100.0%	40.7%
7-13/9/2009	1002	69.7%	58.7%	32.9%	8.4%	100.0%	25.8%
15-25/4/2010	1020	69.8%	61.7%	29.6%	8.7%	100.0%	32.1%
7-11/9/2010	1011	65.3%	60.7%	32.3%	7.1%	100.0%	28.4%
11-18/4/2011	552	66.0%	59.6%	31.2%	9.1%	100.0%	28.4%
5-10/9/2011	551	66.2%	57.0%	32.4%	10.6%	100.0%	24.6%
10-18/4/2012	610	65.8%	63.3%	27.5%	9.1%	100.0%	35.8%
8-18/10/2012	511	67.8%	59.0%	31.5%	9.5%	100.0%	27.6%
28-31/5/2013	693	66.8%	56.1%	32.4%	11.5%	100.0%	23.7%
28-31/10/2013	545	68.9%	53.3%	37.2%	9.5%	100.0%	16.1%
7-10/4/2014	549	68.1%	48.7%	41.0%	10.3%	100.0%	7.7%
23-30/9/2014	599	67.7%	50.3%	35.7%	14.0%	100.0%	14.6%
13-16/4/2015	563	69.1%	54.5%	33.3%	12.2%	100.0%	21.2%
24-30/9/2015	624	61.8%	55.3%	34.7%	10.0%	100.0%	20.6%