| Value | Category | 
|---|---|
| 1 | Off season/ Bad weather | 
| 2 | Temporary disorganization (mechanical, electrical breakdown, shortage of raw material, financial difficulties, strikes, nothing works) | 
| 3 | Sick/Injury | 
| 4 | Leave/holiday/vacation/educational leave or training | 
| 5 | Personal / Family Needs | 
| 9 | Other | 
| Sysmiss |