| Group | n (%) | PGF (%) | HM (%) |
| 1 | 18 (34%) | 45% | 34% |
| 2 | 14 (26.2%) | 54% | 31% |
| 3 | 1 (1.9%) | 0 | 0 |
| 4 | 2 (3.8%) | 0 | 0 |
| 5 | 7 (13.2%) | 33% | 17% |
| 6 | 1 (1.9%) | 0 | 0 |
| 7 | 1 (1.9%) | 0 | 0 |
| 8 | 1 (1.9%) | 100% | 100% |
| 9 | 3 (5.7%) | 0 | 0 |
| 10 | 5 (9.4%) | 35% | 20% |