| Age group | Number | Percentage |
| 18 - 22 years old | 44 | 11.1 |
| 23 - 32 years old | 299 | 75.3 |
| 33 - 42 years old | 18 | 4.5 |
| 43 - 49 years old | 36 | 9.1 |
| Total | 397 | 100.0 |