TTM20162015201420132012
Restaurant-level operating margin18.0%17.0%15.2%15.9%17.5%18.2%
Restaurant-level operating margin growth (bps)148174-63-160-70-72
Operating margin39.9%31.5%28.1%29.0%31.2%31.2%
Operating margin growth (bps)918334-85-222-3-37
Net profit margin24.2%19.0%17.8%17.3%19.9%19.8%
Net profit margin growth (bps)53412148-2545-55

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