Apple doesn't state the breakdown in order not to upset their shareholders even further. Most of these sales were probably the mini, which has less profit margin and cannibalizes sales of the more profitable retina version.
I don't get this "cannibalizing sales" attitude that a lot of people seem to have.
If you only have 350$ for a tablet, you can only get a 16GB Wi-Fi iPad mini or something from a competitor. The full-sized iPad isn't even an option.