br 1. Maggiano’s Little Italy made an average sales per unit of $8.07 million in 2018.br 2. Portillo’s made an average sales per unit of $8.48 million in 2018.br 3. Rainforest Cafe made an average sales per unit of $9.1 million in 2018.br 4. The Cheesecake Factory made an average sales per unit of $10.64 million in 2018.br 5. Dave & Buster’s made an average sales per unit of $11.21 million in 2018.