TTM20162015201420132012
Restaurant-level operating margin21.1%21.3%21.6%24.2%24.9%26.3%
Restaurant-level operating margin growth (bps)-33-27-60-71-14037
Operating margin6.1%7.0%6.6%8.1%6.6%10.6%
Operating margin growth (bps)-3941-155155-401-112
Net profit margin4.4%5.1%4.8%5.5%4.5%5.9%
Net profit margin growth (bps)-3223-67101-142140

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