20172016201520142013
Same-store sales growth6.8%5.6%5.6%5.3%6.8%
US same-store sales growth6.9%6.2%7.1%6.1%7.5%
Same-store transaction growth2.2%2.9%4.0%3.5%3.4%
Same-store avg transaction value growth4.5%2.7%1.6%1.8%3.3%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from stores (including relocated & remodeled) open for greater than 12 months and ecommerce sales