Age in years | GMH N = 60 | SHC N = 60 | ANU N = 40 |
Less than 20 | 2 | - | - |
21 - 25 | 22 | 10 | 6 |
26 - 30 | 25 | 33 | 23 |
31 - 35 | 7 | 14 | 10 |
36 - 39 | 4 | 3 | 1 |