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 chart displays the outcome of surveys in the past 4

years

regarding the main reasons for the

usage

of mobile phones by adolescents in one African country, which is measured in percentage.

Overall

, it can be clearly seen that the

usage

of social networks was the highest,

whereas

the proportion of phone calls was the lowest during the period given. In 2016 and 2017, social networks were the majority among 3 other categories which accounted for between 48% and 50%, and 2

years

later, the

usage

of social media remained as the highest proportion of the charts by 51 and 56%, respectively.

In addition

, the second highest

of

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purpose for mobile phones among youngsters was E-mail which accounted for about one-quarter of the charts in 2016 and 2017,

whereas

the percentage showed slightly low about one-fifth, in the rest 2

years

. In other categories, digital cameras noted an equal number in

the

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proportion in the early 2

years

period, and in 2018 and 2019,

this

third category

also

noted similarity in the amount of

the

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usage

for gadgets.

Furthermore

, in the

last

category in the period given, approximately 19% to 25% of youngsters were using telephones to make phone calls.