Even If I choose "over" - numbers stay below the graph.
Works for me:
You seem to have CSS turned off.
Please don't fill out this field.
Hmm.. Seems, that it's mine misconception. Thus it turns to be a feature request.
In attached screenshot you can see, that I've narrowed it vertically so it takes less space and I was (by mistake) thinking, that selecting "over" will print numbers over the graph.