| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Manual | 2792 | 106944 |
85.5%
|
| 2 | Special tools | 145 | 4118 |
3.3%
|
| 3 | Both methods | 78 | 1866 |
1.5%
|
| Sysmiss | 290 | 12146 |