20162015201420132012
Same-store sales growth0.0%1.0%4.0%6.0%7.0%
Same-store sales growth excluding gas and f/x4.0%7.0%6.0%6.0%6.0%

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