20182017201620152014
Same-store sales growth3.9%2.2%7.8%7.2%6.1%
Same-store transaction growth2.9%3.4%7.9%7.0%9.5%
Same-store avg transaction value growth1.0%-1.2%-0.1%0.2%-3.1%

Notes:Same-store sales, which the company refers to as "comparable store sales," includes sales from stores (including remodeled and relocated within existing markets) open at least 12 months