| Frequency | Percentage % |
≤25 | 89 | 17.9 |
25 - 35 | 204 | 41.0 |
35 - 45 | 102 | 20.5 |
45 - 55 | 58 | 11.6 |
55 - 65 | 29 | 05.8 |
>65 | 15 | 03.1 |
Total | 497 | 100 |