Mozilla probably have that info so readily available that it's not worth publishing it on Wikipedia as well, like on a postage stamp under a filing cabinet in a basement in their gran's next-door neighbour's house ...
Perhaps Moz Corp haven't heard of Wikipedia and so couldn't keep that page updated.
The Mozilla Foundation, being a charity, publishes their financial data on a fixed schedule. If they put the last released data on Wikipedia, something forbidden by Wikipedia for them to do, it would show most of their money coming from Yahoo.
Perhaps Moz Corp haven't heard of Wikipedia and so couldn't keep that page updated.
Sorry, I'm having a cynicism overload. Carry on.