TTM20162015201420132012
Avg sales per store (M)$1,372$1,409$1,455$1,515$1,602$1,733
Avg sales per store growth-4.7%-3.1%-4.0%-5.4%-7.6%5.5%
Avg sales per square foot$475$488$506$526$554$601
Avg sales per square foot growth-5.1%-3.6%-3.8%-5.1%-7.7%5.9%

Notes:Calculated based on reported selling square footage and company-provided figures that selling space in the average store comprises approximately 83% of total square footage