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 You sho

The given graph illustrates the purposes of using phones among youngsters in a African country during the period of 2016 and 2019. Overall, the activities that comprise largest proposition in using phones was social networks.
In 2016, the time teenagers spent on social media accounted for half of the time using phones. The percentage then slightly decreased to 48% in 2017; however, the two years afterward of 2018 and 2019, the rate rose again to 51% and 56% respectively. In contrast to the escalation of social networks, time spent on email declined from 25% in 2016 to 24% in 24 and continued fell to 20% and 19% in 2018 and 2019 respectively.
On the other hand of the scale, the percentage of time spending on the main function of the phones, making phone calls, increased from 15% un 2016 to 20% in 2019.
among the listed activities in phones among teenagers, digital accounted for lowest time. only 10% in 2016 and sharply reduced to half, only 5% in 2019.