The table describes that a number of mobile phone were sold in millions between 2006 and 2012. There are divided into three groups; one is that the number of mobile phones sold of Nokia and Ericsson went up in about 2 years before going down, and while th
The table describes that a number of mobile phones were sold in millions between 2006 and 2012. There are divided into three groups; one is that the number of mobile phones sold by Nokia and Ericsson went up in about 2 years before going down, and while t