TTM20162015201420132012
Restaurant-level operating margin19.5%19.7%19.4%19.2%20.2%20.7%
Restaurant-level operating margin growth (bps)-12921-102-41-96
Operating margin3.0%3.2%2.5%2.2%0.5%3.1%
Operating margin growth (bps)296731173-262-33
Net profit margin1.9%2.0%1.5%1.3%0.4%8.7%
Net profit margin growth (bps)27511891-833574

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