Hmm - Just tried turning an FoV quest - 4873XP with 28% wisdom bonus (14/15), or 3807 without the bonus.
Seems like I was wrong, quest rewards aren't rounded numbers either - although I agree, I remember tham being well rounded earlier in the game - that was before patch 1 though, which did some rebalancing. It could also just be an FoV feature...
And you're right - on the PC, the awards menu doesn't list wisdom separately, but the logbook does.