TTM20142013201220112010
Avg sales per store (M)$1,335$1,561$1,721$1,731$1,646$1,396
Avg sales per store growth-18.1%-9.3%-0.6%5.2%17.9%-13.4%
Avg sales per square foot$431$505$557$561$533$456
Avg sales per square foot growth-18.4%-9.3%-0.8%5.2%17.0%-13.2%

Notes:Calculated based on reported selling square footage and an eMarketer estimate that 85% of a typical store is used for selling space