The bar chart compares the global revenue of 5 leading phone brands in 3 different years (2009, 2011, and 2013).
Overall, the total sales figure for Samsung and Apple experienced a significant increase while Nokia and LG saw a substantial decrease in their global revenue. In addition, Nokia held the first rank in 2009 but was surpassed by Samsung in 2013.
An increasing trend can be seen from the figures of 3 phone brands Samsung, Apple and ZTE. Samsung reported the highest figure in 3 brands, it was about $250,000 in 2009 and significantly rose to $450,00 in 2013. In addition, The sales of Apple increased six-fold from $25,000 in 2009 to $150,000 in 2013. ZTE revenue witnessed growth, going from $50,000 in 2009 to around $52,000 in 2013.
In contrast, the sales volumes of Nokia and LG experienced a downward trend from 2009 to 2013. In 2009, Nokia had the highest figure in the chart, at about $450,000 but this peak was short-lived as sales dropped substantially to $250,000 in 2013. Besides, LG sales figures experienced a gradual declining from $125,000 to 0nly $75,000 in 2013
