| Value | Category | 
|---|---|
| 1 | Bad weather | 
| 2 | Slack work for technical or economics reason | 
| 3 | Labour dispute | 
| 4 | Scholl education or training | 
| 5 | Ilness, injury or temporary disability | 
| 6 | Maternity leave | 
| 7 | Parental leave | 
| 8 | Annual leave, national or religious holidays | 
| 9 | Compensation leave | 
| 10 | Off-season for seasonal work | 
| 11 | Other | 
| Sysmiss |