According to the document: - 179 thriller films were released in 2011. - On average, thriller films make £53.8 million at the box office, though it is the 5th most profitable genre. - The most successful thriller films of 2011 were Mission: Impossible - Ghost Protocol, due to extensive advertising and big name actors, and The Girl With The Dragon Tattoo, which reached 46 countries and sold over 50 million books. - The target audience for thrillers is ages 15+ from social classes C1-D, as the films often contain violence and suspenseful action.