| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
1.9%
|
| -7 | DOES NOT APPLY (SPONTANEOUS) | 63 |
7.6%
|
| 1 | Within 6 months of identifying under-performance | 479 |
57.8%
|
| 2 | After 6 months of identifying under-performance | 88 |
10.6%
|
| 3 | Rarely or never | 183 |
22.1%
|
| Sysmiss | 508 |