20182017201620152014
Same-store sales growth-1.0%-2.1%-2.4%1.7%0.6%
Same-store traffic growth-3.3%-5.4%-3.4%0.1%-1.6%
Same-store avg check growth2.4%3.4%1.0%1.6%2.2%
Same-store menu price growth1.3%1.8%1.1%1.6%1.2%
Same-store price mix growth1.1%1.5%-0.1%0.0%1.0%

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