調查日期<br>Date of Survey	支持<br>Yes	唔支持<br>No	唔知/難講<br>Don't know / Hard to say	合計<br>Total
27/5/1997	49.9%	18.9%	31.2%	100.0%
26/5/1998	48.5%	19.0%	32.5%	100.0%
24/5/1999	45.6%	21.6%	32.8%	100.0%
30-31/5/2000	47.1%	22.2%	30.7%	100.0%
25-29/5/2001	40.3%	26.3%	33.4%	100.0%
14-16/5/2002	39.1%	26.6%	34.3%	100.0%
15-20/5/2003	46.6%	24.1%	29.3%	100.0%
18-20/5/2004	54.1%	22.6%	23.3%	100.0%
21-24/5/2005	56.1%	21.0%	22.8%	100.0%
18-25/5/2006	56.2%	28.1%	15.8%	100.0%
16-25/5/2007	54.6%	24.0%	21.5%	100.0%
28/5-2/6/2008	49.1%	26.5%	24.5%	100.0%
19-22/5/2009	61.2%	22.4%	16.4%	100.0%
18-20/5/2010	60.7%	22.5%	16.8%	100.0%
16-18/5/2011	57.7%	19.4%	22.9%	100.0%
22-29/5/2012	61.4%	17.1%	21.5%	100.0%
23-25/5/2013	62.8%	15.7%	21.4%	100.0%
17-22/5/2014	56.1%	20.0%	23.8%	100.0%
22-28/5/2015	52.5%	23.6%	23.9%	100.0%