Kim asked 40 people how many text messages they each sent on Monday.
The table shows her results.

Number of text messages sent Frequency
0 to 4 6
5 to 9 3
10 to 14 5
15 to 19 12
20 to 24 14
Kim is going to draw a pie chart for this information.

Work out the size of the angle on the pie chart for the sector representing 0 to 4 text messages.