TTM20172016201520142013
Avg sales per store (M)$1,802$1,804$1,837$1,819$1,884$1,634
Avg sales per store growth-1.3%-1.8%1.0%-3.4%15.3%-2.4%
Avg sales per square foot$223$224$229$226$235$223
Avg sales per square foot growth-1.6%-2.4%1.4%-4.0%5.5%-2.7%

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