Frequency Table
| Speed | Number of Balls |
| 0 - 29 |
4 |
| 30 - 59 |
16 |
| 60 - 89 |
60 |
| 90 - 119 |
20 |
A professional tennis player hit 100 balls, and their speeds were recorded. The results are shown in the frequency distribution above. Using the information, construct a cumulative frequency table for the data.