20172016201520142013
Avg order sizeN/A$186$175$169$158
Customer orders (M)N/A11,44510,99710,1929,268
Unique customers (M)N/A7,9687,8437,5257,123
New customers (M)3,292N/A3,6823,7043,524
Cost per CustomerN/A$18.56$15.87$14.55$12.86

Notes:Cost per customer equals sales and marketing spending divided by the number of unique customers during the period