Pop, soda, coke, tonic, fizzing-carbonated-stuff-that's-bad-for-teeth

I was researching umbrellas (long story) when I came upon the word "colloquially". I googled it and got to the wikipedia page about colloquialism. There I found this really interesting picture.
It shows where people tend to refer to soft drinks as pop, soda, or whatever.

(click on picture to view larger)