20182017201620152014
Same-store sales growth4.0%7.0%10.0%16.0%10.0%
North America same-store sales growthN/A3.0%6.0%8.0%7.0%
Western Europe same-store sales growthN/A16.0%13.0%24.0%17.0%
Greater China same-store sales growth10.0%9.0%19.0%28.0%20.0%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from Nike-owned in-line and factory stores open at least one full year, excluding relocations and stores with a square footage change greater than 15%