TTM20162015201420132012
Restaurant-level operating margin23.2%22.9%22.1%20.3%21.4%20.2%
Restaurant-level operating margin growth (bps)8973189-11612567
Operating margin12.2%12.3%12.0%11.5%11.5%8.9%
Operating margin growth (bps)2633530260-14
Net profit margin7.9%7.9%8.0%4.8%7.0%5.3%
Net profit margin growth (bps)-14-14328-222170-157

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