y 12% of Prime purchasers. We noted a similar trend among Non-Prime Purchasers in 4Q18, with 13% who bought Personal Care Products and 10% who bought Vitamin or Supplements, compared to the average purchase rate across all categories of 8%. Figure 111 Non-Prime Purchaser % By Vertical, 1018-4Q18 25% 23% 21% 20% 15%