| Gram-positive | Gram-negative | Total | |
| Type I | 0 | 0 | 0 |
| Type II | 9 | 3 | 12 |
| Type III | 16 | 20 | 36 |
| Type IV | 5 | 15 | 20 |
| Type V | 1 | 1 | 2 |
| Subtotal | 31 | 39 |