TTM20172016201520142013
Restaurant-level operating margin18.3%16.9%12.8%26.1%27.2%26.6%
Restaurant-level operating margin growth (bps)166413-1,333-11262-52
Operating margin29.2%6.0%0.9%17.0%17.3%16.6%
Operating margin growth (bps)2,373516-1,608-3473-12
Net profit margin4.0%3.9%0.6%10.6%10.8%10.2%
Net profit margin growth (bps)59335-998-27651

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