No idea, but it changes on a week to week basis - depending on where I am at and what I am upto.

The types of alcohol varies too - lager, beer and if I am having a nice meal, wine.
On a night out with my mates, then the odd spirit shot may be consumed.
Although none of that isn't set in stone.

I find after a long day at work/travelling I tend to consume more than if working from home, office or on a family holiday etc.

Genuinely can't remember the last time I was rolling drunk, although it did happen a few times in my youth.
I won't bother sharing or boring you with any stories though...