LinuxVirt:

User agent %
Mozilla/5.0 88.15
Buck/2.2; 1.99
CCBot/2.0 1.96
PetalBot 1.76
CCBot/3.1 1.53
DotBot/1.2 1.46
ScoutJet 0.74
YandexBot/3.0 0.47
Apache-HttpClient/4.5.2 0.38
MSIE 9.0 0.25
Others 1.31

此页的英文版本:EventStats/UserAgents