TTM20142013201220112010
Restaurant-level operating margin16.9%16.9%12.3%11.3%11.7%12.2%
Restaurant-level operating margin growth (bps)463463103-40-53-39
Operating margin15.2%15.2%45.6%21.2%15.5%13.3%
Operating margin growth (bps)-3,032-3,0322,436570219-7
Net profit margin-23.2%-23.2%20.4%6.0%3.8%7.5%
Net profit margin growth (bps)-4,356-4,3561,442221-370-42

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