| Age | Group | Frequency | Percent |
| 1 - 10 | years | 23 | 1.2 |
| 11 - 20 | years | 142 | 7.2 |
| 21 - 30 | years | 150 | 7.6 |
| 31 - 40 | years | 325 | 16.5 |
| 41 - 50 | years | 460 | 23.3 |
| 51 - 60 | years | 379 | 19.2 |
| 61 - 70 | years | 320 | 16.2 |
| 71 - 80 | years | 140 | 7.1 |
| 81 - 90 | years | 29 | 1.5 |
| 91 - 100 | years | 5 | 0.3 |
| Total | 1973 | 100.0 | 100.0 |