| Value | Category | Cases | |
|---|---|---|---|
| 1 | Natural/Unforced | 2884 |
87.3%
|
| 2 | Natural/Forced | 308 |
9.3%
|
| 3 | pincers | 66 |
2%
|
| 4 | buttock | 8 |
0.2%
|
| 5 | Scissarion Operation | 34 |
1%
|
| 6 | Using air-less | 4 |
0.1%
|
| 7 | Others | 0 |
0%
|