20172016201520142013
Same-store sales growth-8.3%-4.2%10.3%26.2%40.1%
Constant currency same-store sales growth-8.1%-0.9%11.9%N/AN/A
North America same-store sales growthN/AN/A6.9%22.5%39.6%
Europe same-store sales growthN/AN/A25.1%60.0%51.3%
Japan same-store sales growthN/AN/A33.9%29.0%14.7%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from stores open for one full year after the end of the first month of its operations