20172016201520142013
Same-store sales growth1.5%0.9%2.2%7.0%7.0%
Company-operated same-store sales growth1.0%0.6%1.0%5.8%5.3%
Franchise same-store sales growth1.8%1.1%3.1%8.0%8.8%

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