Fox has beaten ABC and NBC in the ratings for its primetime programming. This made Fox become the second most-watched network behind CBS during the 2000s. From 2007 to 2008, Fox was the highest-rated of the big broadcast networks. Fox was even the first non-Big Three network to reach first place. From 2004 to 2012, Fox became known for its 18-49 demographic shows. Because of its success, it has been included with the Big Three. It was used with the term "Big Four."