20172016201520142013
Same-store sales growth-1.8%-4.8%-3.9%-3.1%-2.1%
Company-operated same-store sales growth2.4%-5.0%-9.3%-4.9%0.2%
Franchise same-store sales growth2.3%-4.7%-2.5%-2.5%-2.9%

Notes:Same-store sales, referred to by the company as "same store net sales" or "comparable sales," includes sales from restaurants open at least 24 months the company reports company-operated and franchised same-store sales, and overall systemwidewide same-store sales is calculated by eMarketer as a sales-weighted average