The bar chart illustrates compares the global saling of the top 5 mibile phone brands from 2009 to 2013, at two-years intervals, with the units sold are measured in millions.
Overall, all most brands’ global revenue had an upward trend over the serveyed period, except for Nokia and LG whose trend was contrast. Additionally, although the saling of Nokia initially ranked first, the Samsung was the best-selling brand worldwide in the latest year.
Regarding to the catogories that were increased over the years, the revenue of Samsung accounted for around 230 million units in 2009, which then went on to rise steeply to roughly 330 million in 2 years later. After this, it was at the peak with excatly 450 million in 2013. Similarly, the figure for Apple surged from about 25 million in 2009 to 150 million in 2013. For the sales of ZTE, unlike the former, it was 50 million in 2009 and increased slightly by approximately million in the end.
Concerning the remaning brands, Nokia, despite achieving an inpressive revenue initially, it plummeted in 2013, with 250 million units. Finally, the figure for LG decreased steadily from about 125 million in 2009 to nearly 100 million in 2011 and hit a record low of approximately 70 million in 2013.