20162015201420132012
Same-store sales growth-0.5%2.1%1.3%-0.4%2.7%
Same-store transaction growth-0.8%1.3%-0.2%-2.7%0.5%
Same-store avg transaction value growth0.3%0.8%1.5%2.3%2.3%
Same-store units per transaction growth-2.6%-2.4%-1.6%0.7%1.0%
Same-store selling price per unit growth2.9%3.3%3.2%1.6%1.3%

Notes:Same-store sales, referred to by the company as "comparable sales," includes sales from stores for more than 13 months and ecommerce sales