TTM20152014201320122011
Avg sales per store (M)$1,480$1,514$1,541$1,567$1,701$1,609
Avg sales per store growth-3.4%-1.8%-1.6%-7.9%5.7%1.0%
Avg sales per square foot$500$511$518$521$561$523
Avg sales per square foot growth-3.1%-1.2%-0.7%-7.0%7.1%2.0%

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