Answer:
my rings are not worth much but they do tell my age.
I am a delicious way of representing data.
I am expelled from you orally with a sound
I am the kind of ant that's good at math.
I am all around you, but you cannot see me. I have no throat, but you can hear me. Valued during summer but despised in the winter. What am I?
I flow from the Homerβs mouth when he sees doughnuts.