What does the chart show?

In the years 2013-2014, the chart demonstrates ... in the use of smart phones.

• no change

• an increase

• a decline

The highest percentage for the use of smartphones shown by the graph was in the year ...

• 2011

• 2013

• 2016

Between the year 2014-2016, there was a percentage of about ... in the increase of the use smartphones.

• 10%

• 20%

• 50%

Overall, the graph shows an increase in the use of smartphones from 35% in 2011 to ... ... .

• 78% in 2016

• 80% in 2015

• 35% in 2011

Overall, the graph shows ...

• a decline in the use of smart phones over the years.

• an increase in the use of smart phones over the years.

• no change in the use of smart phones over the years.