I just got these stats from about 500k hits across a month
Yahoo seems to vary from this (lowest ive seen it on a site is 6% to 60%)
The site with about 60% was actually cloaked domains we were using with spider traps behind them and mainly becuase most of the domains were not getting hit after a few weeks by google (they didnt like it naturally
)
Yahoo Just made an update (it seems) trying to filter out duplicate pages and heavy cross linking between and inside sites - dont quote me on that tho - just seeing it on a couple
1 way links from article style pages work well for PR transfer and Keyword boost in Google
Google 68.1 %
Yahoo 21.4 %
MSN 4.7 %
AltaVista 1.4 %
Netscape 1.2 %
AOL 0.8 %
Google (Images) 0.4 %
Alexa 0.2 %
Baidu 0.2 %
Unknown SE's 0.2 %
Dogpile 0.1 %
Hotbot 0.1 %
Ask Jeeves 0.1 %
(all below sent some traffic but hits werent enough to make 0.1%
DMOZ 0 %
Earth Link 0 %
Ask Jeeves UK 0 %
Virgilio 0 %
Overture 0 %
AllTheWeb 0 %