| Age (Months) | Frequency | Cumulative Freq (%) |
| 0 - 6 | 8 (11%) | 8 (11%) |
| >6 - 12 | 7 (9.6%) | 15 (20.5%) |
| >12 - 18 | 5 (6.8%) | 20 (27.4%) |
| >18 - 24 | 12 (16.4%) | 32 (43.8%) |
| >24 - 48 | 11(15.1%) | 43 (58.9%) |
| >48 - 72 | 10 (13.7%) | 53 (72.6%) |
| >72 | 20 (27.4%) | 73 (100%) |