I find it surprising that 45% are in the no or rarely camp.
I think I know one person who doesn't drink at all and a couple of others who rarely drink, everyone else drinks pretty regularly.
As for me, I probably drink 2/3 nights a week.
Usually it's 4 or 5 pints if it's a week night or 6-8 if a weekend.
Sometimes I may have a glass or two of wine if I'm having a nice meal as well - had a glass of red with Sunday lunch earlier and just finishing off a second glass now, but that will be it for the night.
Maybe a few times a year I'll have a properly big session, last one was for a mate's birthday in August. These days I need at least a day to recover from that sort of thing though!