I'm with Liam on this one. It's a cultural thing, Europeans don't discuss what they make in public, it seems the ex colonies do.
I personaly find it embarassing when a stranger asks what I make. Obviously I lie, either up or down for effect.
The head of BALPA many years ago said that one of his jobs was to make sure that the pay structure of pilots was so complicated that it became opaque to the Daily Mirror. I think he had a good point.