| Value | Category | Cases | |
|---|---|---|---|
| 1 | Routine-manual | 110 |
19.1%
|
| 2 | Routine-mechanized | 84 |
14.6%
|
| 3 | Regular-manual | 86 |
15%
|
| 4 | Regular-mechanized | 134 |
23.3%
|
| 8 | Other | 161 |
28%
|
| Sysmiss | 950 |