TTM20162015201420132012
Avg sales per store (M)$3,471$3,641$4,042$4,239$4,362$4,640
Avg sales per store growth-8.3%-9.9%-4.6%-2.8%-6.0%-6.8%
Avg sales per square foot$389$414$454$473$477$485
Avg sales per square foot growth-7.6%-8.8%-4.0%-0.8%-1.7%-4.1%

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