This document summarizes sales data by product category for a client named Daniela Dervishaj from January 1, 2017 to December 31, 2017. It includes the product category code and name, units sold, number of customers, average discount per customer, category weight as a percentage of total sales, total sales value before and after discounts. The top selling categories by units were soft drinks, food, and mineral water, making up over 50% of total unit sales and value.