TTM20182017201620152014
Avg sales per restaurant (M)$4,738$4,700$4,596$4,518$4,458$4,296
Avg sales per restaurant growth2.6%2.3%1.7%1.4%3.8%-1.9%
Avg sales per square foot$610$606$594$584$578$557
Avg sales per square foot growth2.3%2.0%1.7%1.2%3.8%-3.5%

Notes:Only includes company-operated restaurants; excludes restaurants operated by unaffiliated third parties under area development and franchise agreements