Advertising primarily includes national television advertising, direct mail, email and social media.

20162015201420132012
Net advertising spending (MM)$20.7$25.3$25.8$23.7$23.0
Net advertising spending growth-18.2%-1.9%8.9%3.0%19.2%
Net advertising spending % of total revenues5.7%6.7%6.6%6.3%6.0%