調查日期<br>Date of Survey	有<br>Yes	冇<br>No	唔知/難講<br>Don't know / Hard to say	合計<br>Total
10-11/5/1993	83.6%	6.1%	10.3%	100.0%
17-20/5/1994	79.3%	8.4%	12.4%	100.0%
29-31/5/1995	79.9%	7.3%	12.8%	100.0%
22-23/5/1996	77.8%	10.4%	11.8%	100.0%
27/5/1997	75.2%	13.4%	11.4%	100.0%
26/5/1998	73.8%	11.4%	14.8%	100.0%
24/5/1999	76.9%	11.4%	11.7%	100.0%
30-31/5/2000	71.8%	12.9%	15.3%	100.0%
25-29/5/2001	72.4%	15.1%	12.6%	100.0%
14-16/5/2002	68.1%	15.2%	16.7%	100.0%
15-20/5/2003	69.9%	16.0%	14.1%	100.0%
18-20/5/2004	70.7%	15.9%	13.4%	100.0%
21-24/5/2005	75.4%	12.9%	11.7%	100.0%
18-25/5/2006	76.2%	16.9%	6.9%	100.0%
16-25/5/2007	74.7%	15.6%	9.7%	100.0%
28/5-2/6/2008	75.5%	14.4%	10.1%	100.0%
19-22/5/2009	77.6%	16.0%	6.3%	100.0%
18-20/5/2010	75.1%	17.0%	7.9%	100.0%
16-18/5/2011	67.0%	20.5%	12.4%	100.0%
22-29/5/2012	69.8%	18.8%	11.4%	100.0%
23-25/5/2013	67.6%	19.5%	12.8%	100.0%
17-22/5/2014	65.4%	20.7%	13.9%	100.0%
22-28/5/2015	65.7%	23.7%	10.6%	100.0%