Please review my writing task 1

topic:

The chart below gives information about global sales of games software, CDs and DVD or video.

Write a report for a university lecturer describing the information.

The chart gives information on the world's software, CD and DVD or video sales in a 3-year period. Overall, CDs remained at its dominance until the end of the period. However, the gap between the most popular -CDs and less popular ones-game software and video has narrowed gradually.

In 2000, CDs' sales stood at about 35 billion dollars, which is higher than DVD/videos and CDs by nearly 16 and 22 billion dollars respectively. However, fewer people bought CDs in the following year, its 2002's sales were only 32 billion dollars. By contrast, DVD/Video and game software shared a similar trend, rose slightly by 5 billion dollars worth. During the second period, from 2002 to 2003, CDs remained constant at about 31 billion dollars. Nevertheless, DVDs climbed dramatically to reach its peak of over 30 billion dollars, while games showed an unnoticeably rise by approximately 1 billion dollars.