People in your 20’s – how many drinks when you go out?

My doctor asked me if I’ve had six or more drinks at any point in the last year and when I said yes on New Year’s (and I definitely did on Saint Patrick’s day) and she was so concerned, but I feel like most people my age drink that much particularly if it’s like an all day thing or like a drink an hour and I’m gone for eight hours? Now I’m kind of in my head about it because I do try to be careful but it’s really that wild for like an eight hour occasion?? I am a girl and I’m small, but I have a high tolerance