Q3 2018Q2 2018Q1 2018Q4 2017Q3 2017
Same-store sales growth2.3%1.0%0.9%1.3%-0.1%
Dunkin' Donuts same-store sales growth1.4%1.6%-0.3%0.9%0.7%
Baskin Robbins same-store sales growth5.8%-1.8%6.8%3.5%-3.1%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from restaurants open at least 54 weeks; overall same-store sales is calculated by eMarketer based on a sales weighted average by concept and region