20152014201320122011
Same-store sales growth5.8%-1.6%-4.3%-1.7%-0.8%
Superstores same-store sales growth6.8%-0.9%-4.6%-1.9%-0.3%
Small Format Stores same-store sales growth0.8%-5.0%-2.4%-0.8%-3.2%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from stores open at least 12 months