BCNranking posted the full exact single camera sales numbers for 2013. Mirrorless conquered 40% of all interchangeable camera sales. And the most sold mirrorless camera was the Sony NEX-5r.
If you sum all camera sales than you will get these market shares within the mirrorless world:
Ricoh imaging 9.8%,
Surprised to see that Canon still has 10% share, not so far behind Panasonic!