TTM20172016201520142013
Restaurant-level operating margin15.5%15.5%14.5%14.2%12.6%13.0%
Restaurant-level operating margin growth (bps)619938157-45-3
Operating margin10.5%10.7%9.6%9.0%7.8%7.6%
Operating margin growth (bps)57107661201522
Net profit margin6.8%6.9%6.5%5.8%4.9%4.4%
Net profit margin growth (bps)94073844944

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