The chart shows the results of surveys in one African country asking teenagers the main reasons for using their phones between 2016 and 2019. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie chart illustrates the results of surveys in one African country regarding teenagers' main reasons for using their

phones

from 2016 to 2019.

Overall

, the percentage of people whose reason for using a mobile

phone

concerned social networks was the highest in the four charts examined. Meanwhile, the

figures

for those who use their

phones

for making

phone

calls were the lowest among the remainder. The percentage of the main reason for using social networks was 50% in 2016, after which it saw a slight decrease to 48% in 2017, before experiencing a rise in 2018 and 2019, with the

figures

being 51% and 56% respectively. Similarities can

also

be seen in the proportion of people whose reason for utilizing a

phone

is related to a digital camera, with the respective

figures

being 15%, 18%, and 20%.   Regarding the aforementioned categories,

while

25% of the

phone

subscribers said that they bought

phones

 for sending emails in 2016, only 10% of the

figures

subscribed to

phones

for making calls. After that, it saw a slow decline in the percentage of teenagers whose reasons were for sending emails from 2017 to 2019, with the

figures

being 24%, 20%, and 19% respectively. Meanwhile, the proportion of reasons for

phone

calls saw a slight fluctuation in the first three-year period before ending at 5% by the final year.