| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - a contract for a specified period | 305 |
1.9%
|
| 2 | Yes - written for an indefinite period | 752 |
4.6%
|
| 3 | Yes - oral | 552 |
3.3%
|
| 4 | No | 1350 |
8.2%
|
| Sysmiss | 13525 |