TTM20162015201420132012
Restaurant-level operating margin30.7%30.7%29.3%26.6%25.3%24.8%
Restaurant-level operating margin growth (bps)14314326613154122
Operating margin15.0%15.0%12.7%9.9%8.0%7.2%
Operating margin growth (bps)2282282801868488
Net profit margin9.0%9.0%6.9%1.0%0.3%1.4%
Net profit margin growth (bps)21621658568-110273

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