20172016201520142013
Same-store sales growth2.8%3.8%6.4%4.9%-1.3%
Front-end same-store sales growth-1.0%-0.3%1.5%2.0%-0.7%
Pharmacy same-store sales growth4.7%6.0%9.3%6.8%-1.7%
Front-end same-store traffic growthN/AN/AN/AN/AN/A
Front-end same-store basket size growthN/AN/AN/AN/AN/A

Notes:Same-store sales, referred to by the company as "comparable drugstore sales," includes sales from stores open at least 12 months, excluding remodeled, relocated and acquired stores