Age Group (years) | Contact N (%) | MB N (%) | PB N (%) |
>46 0 - 15 16 - 31 32 - 46 Total | 22 (27) 12 (14.5) 16 (19.5) 32 (39) 82 | 19 (56) 1 (3) 2 (6) 12 (35) 34 | 4 (36.5) 0 (0) 1 (9) 6 (54.5) 11 |