| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
3.7%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 1 | Only quantity per unit of output targets | 2 |
7.4%
|
| 2 | Only absolute quantity targets | 6 |
22.2%
|
| 3 | Absolute and per unit of output quantity targets | 18 |
66.7%
|
| Sysmiss | 382 |