| value | description |
|---|---|
| pti20_0 | |
| unknown | |
| pti20_1 | |
| staffSickness | |
| pti20_1_Alias_1 | |
| staffInjury | |
| pti20_1_Alias_2 | |
| contractorStaffInjury | |
| pti20_2 | |
| staffAbsence | |
| pti20_3 | |
| staffInWrongPlace | |
| pti20_4 | |
| staffShortage | |
| pti20_5 | |
| industrialAction | |
| pti20_5_Alias_1 | |
| unofficialIndustrialAction | |
| pti20_6 | |
| workToRule | |
| pti20_255 | |
| undefinedPersonnelProblem |