world marketing of varias virtual games

The bar graph presents the world marketing of varias virtual games in 7 years period. Overall, there are ups and downs sales in some of the games, however, Handeheld games were popular in those years. In the beging, the world was selling only Handheld games and Console games in 2000, thier sales were amazing in the start, but while Handheld games sales increased over the years from 11 billions of dollars to almost 18 billion dollars between 2000 to 2006, Console games sales decreased over the years, from 6 billion dollars to 3 billion dollars in the 7 years. In 2001 the global has began selling online games that sharply increased in 7 years from 1 billion to 8 billion dollars. And in the following year 2002 the Mobile Phone games marketing started, thier sales were incredible over the years. Although that in 2003 and in 2005 were more sales on Mobile phone games than online, online games sales increased their sales in 2006, and climbed more than mobile games.