| Age in years on first visit | Sex | Total (%) | |
| Male | Female | ||
| 0 - 12 months | 19 | 7 | 26 (22.6%) |
| >1 - 5 years | 28 | 21 | 49 (42.6%) |
| >5 - 10 years | 13 | 6 | 19 (16.5%) |
| 10 - 15 years | 15 | 6 | 21 (18.5%) |
| 75 | 40 | 115 (100%) | |