The chart below shows global sales of the top five mobile phone brands between 2009 and 2013

The chart illustrate the worldwide sales of mobile phones related to different companies such as Samsung,Apple,Nokia,LG and ZTE from 2009 to 2013.The data has been calibrated in millions.
Overall it can be seen in bar graph the sale of Samsung and apple phones show increasing trend while others goes decline in the given period of time.
To begin with,in 2009 the sale of Samsung company was around 250 million and increased due to their time as approximately 330 million in 2011 and 430 million in 2013 respectively. However,sale of apple brand depict upward trend as only 10 million units sold in 2009 and 90 million in 2011 followed by around 150 million in 2012.

In contrast of,Nokia phones had highest sale in 2009 about 430 million and then decrease in normal terms in 2011(420 million),in 2013 it drop significantly and sold merely 250 million units. Furthermore,LG brand had no highest sale but manifested the low trend ( nearly 120 million in 2009 and 90 million and 80 million in 2011 and 2013 respectively).At last,ZTE had no change in their sale over a time, it was near by 50 million in every year.