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	總數<br>Total	淨值<br/>Net Value
7-12/1997	1565	44.5%	51.5%	32.1%	16.5%	100.0%	19.4%
1-6/1998	512	47.7%	55.6%	28.5%	15.9%	100.0%	27.1%
7-12/1998	1565	44.8%	62.3%	25.6%	12.2%	100.0%	36.6%
1-6/1999	1558	52.5%	67.3%	21.4%	11.4%	100.0%	45.9%
7-12/1999	1675	49.9%	68.6%	16.6%	14.8%	100.0%	51.9%
1-6/2000	2120	55.3%	68.0%	17.3%	14.7%	100.0%	50.7%
7-12/2000	2115	51.2%	62.8%	19.3%	18.0%	100.0%	43.6%
1-6/2001	2116	65.4%	63.2%	19.2%	17.7%	100.0%	44.0%
7-12/2001	2072	73.5%	64.0%	21.3%	14.7%	100.0%	42.7%
1-6/2002	2010	60.3%	62.4%	19.7%	18.0%	100.0%	42.7%
7-12/2002	2076	66.6%	66.8%	16.9%	16.4%	100.0%	50.0%
1-6/2003	2112	66.7%	67.6%	17.9%	14.5%	100.0%	49.7%
7-12/2003	2072	66.1%	67.1%	20.4%	12.6%	100.0%	46.7%
1-6/2004	2029	64.0%	61.7%	22.4%	16.0%	100.0%	39.3%
7-12/2004	2019	63.7%	60.7%	25.2%	14.2%	100.0%	35.6%
1-6/2005	2028	63.9%	60.9%	24.8%	14.4%	100.0%	36.1%
7-12/2005	2017	62.5%	62.9%	23.6%	13.4%	100.0%	39.3%
1-6/2006	1029	59.5%	69.1%	21.6%	9.3%	100.0%	47.5%
7-12/2006	1022	61.3%	74.2%	17.9%	7.9%	100.0%	56.3%
1-6/2007	1009	60.6%	68.3%	24.5%	7.1%	100.0%	43.8%
7-12/2007	1008	65.4%	67.7%	26.4%	6.0%	100.0%	41.3%
1-6/2008	1011	68.6%	65.5%	25.9%	8.6%	100.0%	39.6%
7-12/2008	1004	67.7%	60.5%	30.9%	8.7%	100.0%	29.6%
1-6/2009	1010	67.5%	66.7%	26.0%	7.3%	100.0%	40.7%
7-12/2009	1002	69.7%	58.7%	32.9%	8.4%	100.0%	25.8%
1-6/2010	1020	69.8%	61.7%	29.6%	8.7%	100.0%	32.1%
7-12/2010	1011	65.3%	60.7%	32.3%	7.1%	100.0%	28.4%
1-6/2011	552	66.0%	59.6%	31.2%	9.1%	100.0%	28.4%
7-12/2011	551	66.2%	57.0%	32.4%	10.6%	100.0%	24.6%
1-6/2012	610	65.8%	63.3%	27.5%	9.1%	100.0%	35.8%
7-12/2012	511	67.8%	59.0%	31.5%	9.5%	100.0%	27.6%
1-6/2013	693	66.8%	56.1%	32.4%	11.5%	100.0%	23.7%
7-12/2013	545	68.9%	53.3%	37.2%	9.5%	100.0%	16.1%
1-6/2014	549	68.1%	48.7%	41.0%	10.3%	100.0%	7.7%
7-12/2014	599	67.7%	50.3%	35.7%	14.0%	100.0%	14.6%
1-6/2015	563	69.1%	54.5%	33.3%	12.2%	100.0%	21.2%
7-12/2015	624	61.8%	55.3%	34.7%	10.0%	100.0%	20.6%