Total U.S. advertising spending declined 4% in the first quarter of 2015, but restaurant spending dropped 4.9%, according to data from Kantar Media. Restaurants were the fifth-largest category during the quarter, spending $1.601 billion, down from $1.684 billion a year earlier. Restaurant industry ad spending peaked in Q3 of 2013. During that quarter, restaurants spent $1.733 billion, more than 8% above category spending in the most recent quarter.