TTM20162015201420132012
Restaurant-level operating margin16.0%16.7%17.1%16.8%16.5%15.8%
Restaurant-level operating margin growth (bps)-63-4535247494
Operating margin8.5%9.7%10.4%8.3%9.0%8.2%
Operating margin growth (bps)-121-62204-698176
Net profit margin5.0%6.2%6.6%5.3%5.7%5.4%
Net profit margin growth (bps)-118-39126-443824

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