TTM20162015201420132012
Restaurant-level operating margin16.8%17.7%18.6%19.4%18.4%18.2%
Restaurant-level operating margin growth (bps)-202-95-829822-197
Operating margin6.2%6.9%7.6%9.0%8.0%7.9%
Operating margin growth (bps)-138-76-131992-134
Net profit margin4.1%4.8%5.2%6.2%5.6%5.5%
Net profit margin growth (bps)-110-48-965614-92

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