TTM20162015201420132012
Avg sales per store (M)$1,814$1,837$1,819$1,884$1,634$1,674
Avg sales per store growth-0.1%1.0%-3.4%15.3%-2.4%-1.8%
Avg sales per square foot$224$229$226$235$223$229
Avg sales per square foot growth-1.2%1.4%-4.0%5.5%-2.7%-2.0%

Notes:Due to acquisition of General Parts International, Inc. (GPI), figures for 2014 and thereafter exclude wholesale revenues which are estimated by eMarketer