A glance at the bar graph compares units of mobile phone brands in world trade between 2009 and 2013

A glance at the bar graph compares units of mobile phone brands in world trade between 2009 and 2013.
In general, compared to the amount of Apple, LG and ZTE’s units, products of Samsung and Nokia are well sold out among world markets.
In 2009, Nokia took greatly profit from sale with almost 450 units, while Samsung experienced moderately decline among the given time interval. However by 2013 demand for Nokia’s products in world trades was noticeable decrease at approximately 250 units. At that time, Samsung brand achieve the highest benefit among others.
However, other brands Apple, LG and ZTE between the year 2009 and 2013 received small benefits. As well as, Apple’ sale had growth, but in 2013 LG company’s products were undersold. Interestingly, demand for ZTE’ commodities were nearly unchanged.