20162015201420132012
Same-store sales growth2.9%3.7%2.0%-2.6%-2.0%
Same-store sales growth excluding gas2.9%4.4%1.7%-2.7%-2.4%
Same-store transaction growth4.9%4.1%0.6%-3.3%-3.4%
Same-store avg transaction value growth-2.0%-0.2%1.5%0.7%1.7%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from stores (including relocated/expanded) open for five full fiscal quarters