TTM20172016201520142013
Avg sales per store (M)$1,366$1,435$1,521$1,521$1,454$1,283
Avg sales per store growth-7.4%-5.7%0.0%4.7%13.3%-1.5%
Avg sales per square foot$523$586$717$781$810$723
Avg sales per square foot growth-19.2%-18.4%-8.1%-3.6%12.0%-1.3%

Notes:Calculated based on reported selling square footage and company-provided figures that selling space in the average store comprises approximately 77.5% of total square footage