| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Manual | 7 | 53 |
1.5%
|
| 2 | Special tools | 1 | 1 |
0%
|
| 3 | Both methods | 1 | 1 |
0%
|
| Sysmiss | 738 | 3497 |