20182017201620152014
Same-store sales growth0.1%-0.6%-1.3%0.8%0.6%
Same-store traffic growth-1.6%-3.0%-1.6%-0.1%-0.2%
Same-store avg check growth1.7%2.4%0.3%0.9%2.1%
Same-store price menu price growth1.1%2.1%1.9%2.3%1.5%
Same-store price mix growth0.6%0.3%-1.6%-1.4%0.6%

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