Of course we love the biggest search engine that brings the most traffic to our website, there are stats and reports saying Google is between 75-90% of the UK search market but as you can see from an example site / search engine referrer table below sometimes its even more. The following stats were taken from an international website that has clients from all over the world during a one week period in October 2010.
Rank Source Visits
1. google 263
2. yahoo 5
3. bing 3
4. search 3
5. aol 1