Which site were mostly searched and opened?

This year the most searched and the most opened site is FACEBOOK.
The top 10 list of the most searched site in search engines are as follows, among which 4 searchs are related with Facebook only:-

1. Facebook
2. You-Tube
3. Facebook log on
4. Craigslist
5. Facebook.com
6. yahoo
7. e-bay
8. www.facebook.com
9. mapquest
10. yahoo.com

According to the research the most searches in search engines are about social networking sites. About 80 % searches are about the social networking sites.