The results are out from the global fan survey run by Motorsport network.
They had fans from 179 countries of which 43% were under the age of 35.
Fans said they preffered a 8 to 10 race calender and the favor tracks were LeMans, Spa, Silverstone, Nurburgring, Sebring and Fuji.
For more see
http://classic.autosport.com/news/report.php/id/133090