TTM20152014201320122011
Avg sales per store (M)$1,548$1,562$1,610$1,681$1,803$1,714
Avg sales per store growth-3.1%-2.9%-4.2%-6.8%5.2%10.6%
Avg sales per square foot$566$573$595$632$701$685
Avg sales per square foot growth-3.8%-3.7%-5.8%-9.9%2.3%9.2%

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