| Age group (Years) | Number of patients | Percentage of patients |
| 0 to 5 | 1362 | 19% |
| 6 to 10 | 479 | 7% |
| 11 to 20 | 1123 | 15% |
| 21 to 30 | 1283 | 18% |
| 31 to 40 | 1149 | 16% |
| 41 to 50 | 730 | 10% |
| 51 to 60 | 540 | 7% |
| 61 to 70 | 336 | 5% |
| 71 to 80 | 217 | 3% |
| 81 to 90 | 37 | 1% |
| 91 to 100 | 9 | 0% |
| Total | 7265 | 100% |