調查日期<br>Date of survey	按半年成功樣本<br>Successful cases	樣本人數<br>Total Sample	回應率<br>Response rate	會<br>Yes	唔會<br>No	唔知／難講<br>DK/HS	合計<br>Total	淨值<br/>Net value
1-6/2002	10	10386 	63.0%	38.9%	41.4%	19.8%	100.0%	-2.5%
7-12/2002	4	4200 	66.5%	27.2%	52.3%	20.5%	100.0%	-25.1%
1-6/2003	4	4151 	68.3%	19.8%	63.8%	16.4%	100.0%	-43.9%
7-12/2003	12	12496 	66.5%	16.7%	65.8%	17.5%	100.0%	-49.2%
1-6/2004	15	15397 	64.2%	16.2%	64.4%	19.4%	100.0%	-48.3%
7-12/2004	12	12227 	63.7%	20.4%	60.7%	18.9%	100.0%	-40.3%
1-6/2005	7	7146 	64.4%	15.7%	67.2%	17.1%	100.0%	-51.5%