From these two charts above given in the form of a pie chart, it is clear that they are illustrate the online shopping sales for retail sectors in Canada divided into several parts, from 2005s onwards to 2010s.
To begin with, it is noticeable that at the beginning of the year, the main sale was for electronic and appliances which proportion was 35% ; in the meantime other sales, such as home furnishings, food or video games in average were accounted for between 18-25%. From the second chart it is evident that in that year the food sales were most common than others; accounted 32% while others were between 15-30%.
On the whole, in the given period first three parts were considerably changed sharply increasing. Nevertheless, next years the last part is conversely slightly diminished.
Overall, these pie charts above gave accurate, and clear proportion, comparing different types of sales.