| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW (SPONTANEOUS) | 4 |
0.7%
|
| 1 | 1-2 production performance indicators | 259 |
43.9%
|
| 2 | 3-9 production performance indicators | 265 |
44.9%
|
| 3 | 10 or more production performance indicators | 62 |
10.5%
|
| Sysmiss | 411 |