TTM20132012201120102009
Restaurant-level operating margin20.4%20.1%21.8%20.3%21.5%19.2%
Restaurant-level operating margin growth (bps)-79-163147-119228-92
Operating margin5.7%6.4%5.7%5.8%6.7%6.1%
Operating margin growth (bps)-674-11-9160-58
Net profit margin2.9%3.4%3.0%3.1%2.7%22.1%
Net profit margin growth (bps)-1137-1337-1,9371,735

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