20162015201420132012
Same-store sales growth3.8%1.5%-1.0%0.2%3.1%
US same-store sales growth1.7%0.5%-2.1%-0.2%3.3%
Europe same-store sales growthN/AN/A-0.6%0.0%2.4%
APMEA same-store sales growthN/AN/A-3.3%-1.9%1.4%
Other same-store sales growthN/AN/A6.6%7.0%7.7%

Notes:Same-store sales, referred to by the company as "comparable sales," includes sales from company-operated restaurants open at least 18 months; Beginning in Q3 2015, the company changed its segment reporting structure from continental divisions, to divisions of market maturity