Please check for my IELTS writing task 1

Here is my writing task 1:

The line graph compares the three most popular purchased bakery products (Bread, Buns and Pies) in terms of sales in the year 2014.

Overall, While Buns sales showed a downward trend and showed an upward trend, the dominating feature could be seen in fluctuation of the figure for Bread. Also, Pies were almost the only item that had the lowest sales among others throughout the period given.

With regard to the sales of Bread, it stood at roughly $80,000, which was double that of Buns in the January. After that, this figure fluctuated around $60,000 in 9 months, followed by a significant rise of $80,000 in the next 3 months. In comparison with the sales of Bread, the figure for Buns then increased dramatically to $70,000 before experiencing a plunge, falling from $70,000 to $30,000 in 5 months.

By contrast, Pie sales saw a gradual growth of $20,000 in 10 months. In December of the year 2014, this figure rose significantly to $40,000, overtaking that of Buns.

(175 words)

Please help me check for my writing, I really appreciate your help!