TTM20172016201520142013
Restaurant-level operating margin16.8%16.7%19.3%19.9%17.9%17.5%
Restaurant-level operating margin growth (bps)-197-263-5919443-186
Operating margin3.9%3.7%6.2%6.9%4.2%3.1%
Operating margin growth (bps)-185-253-65267111-269
Net profit margin4.8%4.3%4.6%4.9%3.2%2.7%
Net profit margin growth (bps)48-25-3416953-172

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