TTM20182017201620152014
Avg sales per restaurant (M)$4,861$4,803$4,671$4,549$4,497$4,373
Avg sales per restaurant growth3.4%2.8%2.7%1.1%2.8%-4.4%
Avg sales per square foot$589$582$566$547$541$525
Avg sales per square foot growth3.5%2.9%2.7%1.2%3.0%-6.2%

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