The line graph compares the proportion of mobile phones in terms of five major companies (Iphone, Samsung, Huawei, Redmi and Artel) they are sold over a period of 10 years starting from 2000. Units are measured in percentage.
Overall, it is clear that from the diagram that Artel and Huawei companies illustrated dropped in the number of sold phones wheres in the figure of the other three companies either considerable rose over the decade.
The percentage of phone solted in Samsung company demonstrated a sharp increase of 15% and became in the final year of the given period. By 2010, the figures for phones sold companies Iphone and Redmi had ascended rapidly to 30% and 20%, respectively.
By strark contrast, there was a three-fold declined in the proportion of Artel company from initial 30% between 2000 and 2010. The sales of mobile phones in Huawei company veried considerably at around 5% mark from 2000 to 5% throughout the whole spain.