| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Manual | 219 | 10073 |
8.1%
|
| 2 | Special tools | 16 | 468 |
0.4%
|
| 3 | Both methods | 14 | 347 |
0.3%
|
| Sysmiss | 3056 | 114186 |