TTM20162015201420132012
Restaurant-level operating margin15.5%16.2%16.5%15.6%14.7%14.1%
Restaurant-level operating margin growth (bps)-145-3393926056
Operating margin23.1%21.0%19.2%17.9%16.4%16.4%
Operating margin growth (bps)2911811341429110
Net profit margin11.6%10.6%10.6%8.7%6.8%6.6%
Net profit margin growth (bps)33-719619113312

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