SpamikazeWiki:

User agent %
Mozilla/5.0 74.39
PetalBot 7.72
DotBot/1.2 5.04
SemrushBot/3~bl 3.97
SemrushBot/2~bl 2.22
DotBot/1.1 1.47
Mediapartners-Google 1.01
SemrushBot/1.2~bl 0.40
MSIE 9.0 0.35
Thinkbot/0.5.8 0.28
Others 3.14