| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
4.9%
|
| -8 | Refusal (spontaneous) | 1 |
1.6%
|
| 1 | Only quantity per unit of output targets | 18 |
29.5%
|
| 2 | Only absolute quantity targets | 11 |
18%
|
| 3 | Absolute and per unit of output quantity targets | 28 |
45.9%
|
| Sysmiss | 1308 |