Buycraft get overall spent money

Plugin category: Buymax

Minecraft version: 1.12

Suggested name: Doesnt Matter to me

What I want:
I'm essentially looking for exactly what the guy in this request was:
https://bukkit.org/threads/req-a-pl...-a-ranks-depending-on-the-price-range.118113/

If this is exists, it would be amazing. If not, Is there any way to create it?

Ideas for commands: No commands needed for this plugin.

Ideas for permissions: none needed

When I'd like it by: Anytime, really