| Age (months) | Number | Positive case | Prevalence (%) |
| 6 | 12 | 04 | 0.16 |
| 7 | 136 | 03 | 0.12 |
| 8 | 2253 | 41 | 1.69 |
| 9 | 11 | 02 | 0.10 |
| 10 | 09 | 09 | 0.37 |
| 12 | 01 | 01 | 0.04 |
| 17 | 01 | 01 | 0.04 |
| 24 | 01 | 01 | 0.04 |
| 26 | 01 | 01 | 0.04 |
| Total | 2425 | 63 | 2.60 |