| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 1-2 production performance indicators | 104 |
18.2%
|
| 2 | 3-9 production performance indicators | 321 |
56.2%
|
| 3 | 10 or more production performance indicators | 146 |
25.6%
|
| Sysmiss | 629 |