TTM20162015201420132012
Restaurant-level operating margin15.6%15.8%16.5%16.1%15.5%15.9%
Restaurant-level operating margin growth (bps)-47-703764-4535
Operating margin3.3%3.0%5.3%4.3%5.5%4.5%
Operating margin growth (bps)-63-22795-11492-101
Net profit margin2.4%1.1%3.0%2.2%5.2%1.5%
Net profit margin growth (bps)90-19285-304366-130

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