mistranslation: 0.893
device: 0.789
graphic: 0.612
network: 0.543
semantic: 0.243
other: 0.209
socket: 0.151
boot: 0.146
instruction: 0.065
vnc: 0.034
assembly: 0.020
KVM: 0.001

qemu-img manpage and  is missing info on compression_type option