I recently posted on cre8asite about BOTW moving in local search, one of the moderators posted the below stats - I thought I might need to refer to the later so I posted it here.

Compete - Directory Search Market Share by US Visitors for July 2008
Business.com:...5,829,592
DMOZ.org:.........1,324,690
Chiff.com:.............490,601
Joeant.com:..........302,678
BOTW...................292,889
Ezilon.com:...........115,185

Quantcast - Directory Search Market Share by US Visitors for July 2008
Business.com:.........6,083,709
Dir.yahoo.com:....... 3,132,742
DMOZ.org:...............2,096,178
Chiff.com:.................. 634,728
Joeant.com:................578,613
Directory.google.com..355,822
Ezilon.com:.................157,681
BOTW...........................61,100