US search engine rankings for September released
“Behind Google’s 57.0% share, Yahoo Sites ranked second with 23.7%, followed by Microsoft Sites (10.3%), Ask Network (4.7%) and Time Warner Network (4.3%).”
Global Search Report 2007
“The Global Search Report is an annual compilation of search engine usage and PPC statistics from countries around the world.”
China accused of rerouting search [...]

Popularity: 4% [?]

61 billion searches conducted worldwide in August
“More than 750 million people age 15 and older – or 95 percent of the worldwide Internet audience – conducted 61 billion searches worldwide in August, an average of more than 80 searches per searcher…
Google wins in blind search test
“Participants could try out three unidentified search engines and vote [...]

Popularity: 3% [?]