| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Manual | 12 | 22 |
0.7%
|
| 2 | Special tools | 0 | 0 |
0%
|
| 3 | Both methods | 5 | 17 |
0.5%
|
| Sysmiss | 843 | 3242 |