SpamikazeWiki:

User agent %
Mozilla/5.0 74.55
PetalBot 7.74
DotBot/1.2 5.00
SemrushBot/3~bl 3.93
SemrushBot/2~bl 2.20
DotBot/1.1 1.46
Mediapartners-Google 1.00
SemrushBot/1.2~bl 0.40
MSIE 9.0 0.35
Thinkbot/0.5.8 0.27
Others 3.11