| Value | Category |
|---|---|
| 1 | Illness or Injury |
| 2 | Strike or lock out |
| 3 | Holiday, vacation or other leave of absence |
| 4 | Reduction in economic activity |
| 5 | Off-season inactivity |
| 6 | Bad weather |
| 7 | Mechanical or electrical break-down |
| 8 | Shortage of raw materials or fuel |
| 9 | Other |
| Sysmiss |