It has Will County, where I grew up, picking "pop" over "soda" by a 532 to 39 count. That sounds about right! Although I did switch over to using "soda" while spending four years in Milwaukee for college, and never switched back.
I never did pick up "bubbler" for a water fountain, though.
We said pop or Coke growing up, but as I got older, I snootified and say soda.
And pretty much the only soda I drink, rarely, is Coke. (I was really excited when I found a bodega that stocks Mexican Coke! Er, the soda kind, natch.)
What could "other" be? Sodapop?
The 7-11 near me sells the Mexican Coca-Cola (they keep those bottles next to the sandwiches, separate from the soda cooler on the wall), but I've never tried it.
Tonic (parts of New England, although not heard as often as it used to be)
Dope (similarly old-school, Southern)
We say soda here, for sure, but my father calls it tonic, which I've never heard anyone else use ever.
Yeah, they still say tonic in some more remote parts of New England, although I grew up saying soda in SE Massachusetts.
I'm in SE Massachusetts too, and my dad grew up here as well. So maybe tonic was more prevalent in the 50s and 60s when he was growing up? I'm sure lots of other people used it, but we used to tease our dad so badly about it.
"Cold drink" was pretty common in BR - I don't know how we knew that didn't mean ice tea or lemonade, but we did. Not as common as Coke, though.
I forgot about tonic!
Consuela, your brother's restaurant is like 1/2 a mile from Bob's office in Chicago (and it sounds right up his alley!). I'll pass along the rec and have him share it with his friends and co-workers. And get him to take me there next time I'm out!