|
| Frequencies | Percentages | Cumulative frequencies |
| 25 - 30 | 5 | 5.9 | 5.9 |
| 31 - 40 | 32 | 37.6 | 43.5 |
| 41 - 50 | 34 | 40.0 | 83.5 |
| 51 - 60 | 7 | 8.2 | 91.8 |
| >61 | 7 | 8.2 | 100.0 |
| Total | 85 | 100.0 |
|