| Age (year) | Number | HTA | % |
| 18 - 27 | 201 | 7 | 0.34 |
| 28 - 37 | 226 | 39 | 17.25 |
| 38 - 47 | 182 | 53 | 29.12 |
| 48 - 57 | 160 | 99 | 61.87 |
| 58 - 67 | 31 | 23 | 74.19 |
| 68 - 77 | 3 | 1 | 33.33 |
| 78 and older | 1 | 0 |
|
| Total | 1025 | 222 |
|