http://www.vegasinshadow.triumphdelayed.com/banality.htm
There's an average banality score based on a character's type (mage, vampire, etc) in the core rulebook (p 287) and another table specifically for mages (p 281) which are recreated below.
children 3-5 wraiths 4 drunks 5 lunatics 5 mages 5-7 malkavians 6 humans 6-7 werewolves 7 wyrm creatures 7 mummies 8 all other vampires 8-9 technocracy mages 8-10
- children 3-5
- wraiths 4
- drunks 5
- lunatics 5
- mages 5-7
- Malkavian & Ravnos vampires 5-6
- humans 6-7
- werewolves 7
- wyrm creatures 7
- mummies 8
- all other vampires 8-9
- Technocracy mages 8-10