TTM20152014201320122011
Avg sales per store (M)$1,496$1,513$1,553$1,602$1,827$1,675
Avg sales per store growth-2.7%-2.5%-3.1%-12.3%11.3%6.0%
Avg sales per square foot$519$526$539$554$633$578
Avg sales per square foot growth-2.9%-2.4%-2.7%-12.5%11.6%6.2%

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