TTM20142013201220112010
Restaurant-level operating margin9.4%10.5%12.1%14.1%15.7%16.4%
Restaurant-level operating margin growth (bps)-86-167-201-162-66140
Operating margin-4.4%-3.1%-10.8%-1.9%4.9%8.9%
Operating margin growth (bps)827765-885-680-407619
Net profit margin-11.2%-9.8%-16.7%-7.4%0.1%3.6%
Net profit margin growth (bps)893689-933-742-353396

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