I think Numeros and Espadas should have the most. Menos have the second most and so on.
List of Hollows from High EXP to Low Exp
Espada
Numeros
Menos
Adjuchas
Strong
Serpents
Wolf
Regular Hollows
Demis
List of Hollows from High EXP to Low Exp
Espada
Numeros
Menos
Adjuchas
Strong
Serpents
Wolf
Regular Hollows
Demis