| Value | Category |
|---|---|
| -9 | Don't know |
| -7 | Doesn't apply |
| 1 | There were no production process problems |
| 2 | No action was taken |
| 3 | Problem was fixed but no further actions were taken |
| 4 | Problem was fixed and actions were taken in order to ensure that it didn't happen again |
| Sysmiss |