Okay, here goes. This isn't something I would normally do, ever. It's taking quite a bit of courage to disclose this. I really do believe we need a lot more transparency with this stuff.
Here are my figures (units and sales) for my two best apps over the duration of the past month. Well, Mast has only been out for two weeks. Both apps were made in under 3 weeks, and both were featured (hence the high impressions count).
The apps are Cosmicast and Mast: