Assuming you didn't have marshmallows and whipped cream (tell me if you did, along with the sort of milk, and I'll look it up for you):
Full fat milk - massimo - 12
Full fat milk - primo - 7
Skimmed milk - massimo - 7
Skimmed milk - primo - 5
did a little research and found this for Costa hot chocolate:
Full fat milk - large - 7pp
Full fat milk - small - 3pp
Skimmed milk - large - 5pp
Skimmed milk - small - 3pp
Soya milk - large - 8pp
Soya milk - small - 3pp
Marshmellows and cream with full fat milk - large - 12pp
same as above but small - 8pp
Same as above but skimmed milk - large - 9pp
Same as above but skimmed milk - small - 7pp