| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
2.1%
|
| -7 | DOES NOT APPLY (SPONTANEOUS) | 21 |
7.5%
|
| 1 | Within 6 months of identifying under-performance | 55 |
19.6%
|
| 2 | After 6 months of identifying under-performance | 28 |
10%
|
| 3 | Rarely or never | 170 |
60.7%
|
| Sysmiss | 675 |