TTM20162015201420132012
Restaurant-level operating margin8.6%9.2%8.3%9.6%8.5%6.2%
Restaurant-level operating margin growth (bps)-4986-12911023172
Operating margin9.7%10.0%9.8%10.1%8.7%6.3%
Operating margin growth (bps)-1421-28146232215
Net profit margin6.0%6.2%6.1%7.4%4.8%41.2%
Net profit margin growth (bps)-2412-131267-3,6473,914

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