Band 4+: The bar graph shows the global sales (in billions of dollars) of different types of digital games between 2000 and 2006. Write a report for a university, lecturer describing the information shown below. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The image depicts a bar chart illustrating sales data for different categories of games, measured in billions of dollars, from 2000 to 2006. Mobile phone games are depicted in blue, online games in red, console games in green, and handheld games in orange. In 2000, mobile phone games, online games, console games, and handheld games generated sales of approximately 0, 8, 10, and 12 billion dollars, respectively. In 2001, the corresponding figures climbed to 2, 10, 12, and 14 billion dollars. In 2002, the sales for mobile phone games soared to 4 billion, online games to 12 billion, console games slightly dipped to 11 billion, while handheld games leaped to 16 billion dollars. 2003 saw a similar trend, with mobile phone games rising to 6 billion, online games to 14 billion, console games reaching the highest peak at 18 billion, and handheld games remaining steady at 16 billion dollars. The upward trajectory continued in 2004, with mobile phone games reaching 8 billion, online games 16 billion, and both console and handheld games accruing 18 billion dollars each. By 2005, mobile phone games attained 10 billion, online games 16 billion, and both console and handheld games plateaued at 18 billion dollars. Finally, in 2006, the sales for all categories remained unchanged from the previous year.