TTM20172016201520142013
Restaurant-level operating margin18.4%18.4%18.7%17.3%17.6%17.9%
Restaurant-level operating margin growth (bps)-24-24134-30-26-52
Operating margin8.4%8.4%8.6%8.0%8.2%8.4%
Operating margin growth (bps)-25-2564-25-17-33
Net profit margin5.9%5.9%5.8%5.4%5.5%5.7%
Net profit margin growth (bps)121245-14-152

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