TTM20172016201520142013
Avg sales per store (M)$3,016$3,029$2,931$2,981$2,841$2,786
Avg sales per store growth3.0%3.4%-1.7%4.9%2.0%-0.8%
Avg sales per square foot$182$182$177$181$170$165
Avg sales per square foot growth2.8%3.1%-2.3%6.6%3.1%0.7%

Notes:Excludes franchised locations; calculated based on reported selling square footage and an eMarketer estimate that 83% of a typical store is used for selling space