TTM20162015201420132012
Restaurant-level operating margin19.9%20.2%20.4%18.5%17.1%16.0%
Restaurant-level operating margin growth (bps)-49-20187143104272
Operating margin14.9%14.4%12.8%10.9%9.3%8.0%
Operating margin growth (bps)214157186166127-126
Net profit margin7.8%7.8%7.1%6.0%3.4%3.8%
Net profit margin growth (bps)9669107256-39-112

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