20162015201420132012
Same-store sales growth0.9%2.2%7.0%7.0%9.9%
Company-operated same-store sales growth0.6%1.0%5.8%5.3%8.6%
Franchise same-store sales growth1.1%3.1%8.0%8.8%11.0%

Notes:Same-store sales, referred to by the company as "comparable restaurant sales," includes sales from systemwide restaurants open at least 15 months