20162015201420132012
Same-store sales growth-0.5%1.8%1.7%2.9%1.5%
Same-store transaction growthN/AN/AN/A-0.4%0.8%
Same-store avg transaction value growthN/AN/AN/A3.3%0.7%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from stores (including relocated and expanded) open for more than 13 months