20172016201520142013
Same-store sales growth-2.4%-0.8%-0.3%0.2%3.0%
Company-operated same-store sales growth-2.7%-0.9%-0.2%0.3%4.3%
Franchise same-store sales growth-0.5%0.1%-0.9%-0.1%0.6%

Notes:Same-store sales, referred to by the company as "comparable restaurant sales," includes sales from restaurants open at least 18 months