@nxskok Of interest, grammatically but not statistically:
Garner's Modern English Usage (now in its 5th edition) tells us that , in a nutshell (after much explication with examples), "the only ironclad distinction is that stated by the OED: *between* expresses one-to-one relations of many things, and *among* expresses collective and undefined relations."
Sadly, there's no link to an online version. You need either the book or the app. 