TTM20172016201520142013
Restaurant-level operating margin15.7%15.7%16.7%17.1%16.8%16.5%
Restaurant-level operating margin growth (bps)-100-100-45352474
Operating margin8.1%8.1%9.7%10.4%8.3%9.0%
Operating margin growth (bps)-162-162-62204-6981
Net profit margin4.8%4.8%6.2%6.6%5.3%5.7%
Net profit margin growth (bps)-138-138-39126-4438

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