I should say demography really, but that may lead your thoughts to the study of populations or something.
Anyway, here’s most of what’s been recorded.

(Tobbe M, Mark, Kim and Knodde)

(Tobbe M, Mark, Kim and Toffe)

Shades Of Gray

Saga’s Needle

And as a joke for drinking purposes:
Pippi Långstrump har en häst tillsammans