WikiWall:

User agent %
Mozilla/5.0 90.16
PetalBot 5.78
DotBot/1.2 2.44
SemrushBot/7~bl 0.39
YandexBot/3.0 0.32
Thinkbot/0.5.8 0.13
serpstatbot/2.1 0.08
Apache-HttpClient/4.5.2 0.05
SecurityScanner/1.0) 0.04
MSIE 9.0 0.03
Others 0.56