TTM20162015201420132012
Restaurant-level operating margin18.0%19.3%19.9%17.9%17.5%19.4%
Restaurant-level operating margin growth (bps)-208-5919443-186-99
Operating margin5.0%6.2%6.9%4.2%3.1%5.8%
Operating margin growth (bps)-216-65267111-269-106
Net profit margin3.8%4.6%4.9%3.2%2.7%4.4%
Net profit margin growth (bps)-128-3416953-172-65

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales