About a dozen, last time I counted.
Less than 1% of admins, then... I don't think that suggests anything.
I think it suggests the opposite, in fact.
I originally wrote a post about "skewed perspective", but I just used that phrase. Also, my post had "signal to noise ratio". Ugh. I had to trash it, before I start saying things like Non-Notable Good Faith POV Original Research Fair Use Consensus Process.
Dan