| Subtype | Number of sequences |
|---|---|
| ST1 | 385 |
| ST2 | 130 |
| ST3 | 138 |
| ST15 | 2 |
| ST4 | 46 |
| ST5 | 13 |
| ST6 | 39 |
| ST7 | 9 |
| ST8 | 15 |
| ST9 | 37 |
| ST10 | 5 |
| ST12 | 2 |
| ST13 | 4 |
| ST14 | 1 |
| ST16 | 1 |
| ST17 | 26 |
| ST18 | 82 |
| ST26 | 21 |
| ST27 | 4 |
| ST28 | 3 |
| ST30 | 2 |
| ST31 | 1 |
| ST32 | 1 |
| ST33 | 1 |
| ST34 | 1 |
| ST35 | 1 |
| ST19 | 1 |
| ST20 | 51 |
| ST21 | 5 |
| ST22 | 3 |
| ST23 | 1 |
| ST24 | 113 |
| ST25 | 1 |
| ST59 | 1 |
| ST37 | 1 |
| ST38 | 75 |
| ST39 | 2 |
| ST40 | 4 |
| ST41 | 2 |
| ST42 | 1 |
| ST43 | 5 |
| ST44 | 4 |
| ST45 | 1 |
| ST46 | 2 |
| ST47 | 1 |
| ST48 | 6 |
| ST49 | 10 |
| ST50 | 2 |
| ST52 | 9 |
| ST53 | 1 |
| ST54 | 2 |
| ST56 | 1 |
| ST55 | 3 |
| ST51 | 1 |