TTM20172016201520142013
Restaurant-level operating margin21.8%21.9%22.2%21.0%20.6%22.0%
Restaurant-level operating margin growth (bps)-27-3412043-143-122
Operating margin9.3%9.4%9.0%5.4%4.9%6.8%
Operating margin growth (bps)24835452-184-183
Net profit margin6.6%6.7%5.4%10.5%4.6%7.0%
Net profit margin growth (bps)87127-508594-240-197

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