20152014201320122011
Same-store sales growth-8.6%-11.0%-15.0%-2.0%-8.0%
Same-store transaction growth-4.0%-10.0%-11.0%-3.0%-6.0%
Same-store units per transaction growth-1.0%-6.0%2.0%4.0%8.0%
Same-store avg unit retail growth-4.0%5.0%-6.0%-4.0%-9.0%

Notes:Same-store sales, referred to by the company as "comparable sales," includes sales from stores (including relocated and remodeled with less than a 25% change in square footage) open for greater than 14 months and ecommerce sales since Q1 2011