| Age range (months) | Actual | Frequency | |
| Groupe_1 | 23 - 59 | 4 | 10.0% |
| 6 - 23 | 36 | 90.0% | |
| Groupe_2 | 23 - 59 | 3 | 7.5% |
| 6 - 23 | 37 | 92.5% | |
| Total | 80 | 100% |