| Classification | Number | Percentage | |
| T | T1 | 2 | 5 |
| T2 | 3 | 7.5 | |
| T3 | 26 | 65 | |
| T4 | 9 | 22.5 | |
| N | N0 | 28 | 70 |
| N1 | 5 | 12.5 | |
| N2 | 7 | 17.5 | |
| M | M0 | 27 | 67.5 |
| M1 | 13 | 32.5 | |