You're definitely running beta 15, are you? It says the version number in the title bar.
This issue was fixed, so you should see your own stats.
If it comes and goes, then it isn't a problem with the HUD config or you'd never see them.
Do they come and go within a single session, or do they appear on some tables and not others?
If you're sure you're running B15, Please follow the steps in the
Beta 15 release notes.