TTM20182017201620152014
Avg sales per restaurant (M)$3,463$3,436$3,342$3,307$3,274$3,117
Avg sales per restaurant growth2.9%2.8%1.1%1.0%5.1%1.7%
Avg sales per square foot$588$583$566$560$555$531
Avg sales per square foot growth3.0%2.9%1.1%0.9%4.5%0.6%

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