Only about 1/100th of Wii U game buyers are rating their games on the eshop

[episteme]

Well, no, MK8 has 23134 ratings in Germany and not even 20x the sales.

Other games:
Nintendo Land 14135
Super Mario 3D World: 14075
Wind Waker HD: 13632
New Super Mario Bros. U: 12193
Smash Bros: 8035

And yeah, I'm rating my games occasionally.