TTM20172016201520142013
Avg sales per store (M)$2,487$2,151$1,787$1,730$1,724$1,358
Avg sales per store growth26.1%20.3%3.2%0.4%27.0%7.1%
Avg sales per square foot$766$666$562$535$558$448
Avg sales per square foot growth23.4%18.4%5.0%-4.1%24.6%5.9%

Notes:Calculated based on reported square footage range by concept and an eMarketer estimate that concept stores average 2,500 square feet, factory outlet stores average 4,000 square feet and warehouse outlet stores average 8,000 square feet