The bar graph describes how the worldwide sales of four types of digital games changed from 2000 to 2006.
Overall, it is clear that the sales of digital games in all categories increased substantially with the exception of console games, sales of which dropped noticeably. Of particular note are handheld games, which had the highest sales throughout the period.
In detail, the sales figure for handheld games were significant compared to other types of digital games. Starting at just over 10 billion dollars, it grew gradually to an all-time high of 18 billion dollars in 2006. Similarly, first introduced in 2001, online games sales went from a mere 1 billion dollars to 9 billion dollars 5 years later, making them the second most popular type of digital games. Their counterpart, mobile games, also had steadily gone up to 7 billion dollars in sales by 2006 despite being a relatively new medium.
In contrast, console games became less popular, with their sales declining over time. Once the second most popular type of gaming, console games saw their sales go from 6 billion dollars initially to a chart low of 2.5 billion dollars, ultimately being overtaken by other forms of gaming in question.