TTM20182017201620152014
Avg sales per store (M)$3,299$3,254$3,317$3,396$3,162$3,083
Avg sales per store growth-0.4%-1.9%-2.3%7.4%2.6%7.3%
Avg sales per square foot$183$181$184$189$176$171
Avg sales per square foot growth-0.4%-1.9%-2.3%7.4%2.6%7.3%

Notes:Only includes company-operated stores; calculated based on reported square footage range and an eMarketer estimate that the average store is approximately 18,000 gross square feet