For Let's Go Eevee: What are all the possible spawns and chances in the Pokemon Mansion?

Question

I am at it right now, so I want to know what can spawn there, like Rattata.

Answer 1

F1-F3: Grimer (40%), Koffing (40%), Rattata (20%), Raticate (20%), Magmar (14%), Muk (5%), Weezing (5%), Ditto (1%).

B1F-F3: Chansey (Rare Spawn).

B1F: Grimer (30%), Koffing (30%), Rattata (20%), Raticate (20%), Magmar (10%), Muk (10%), Weezing (10%), Ditto (10%).

Source